Looking for inspiration on what to write in a birthday card for your other half – whether that’s your girlfriend, boyfriend, or life partner? 

We have the answer for all manner of relationships and all the things you could write to make their day extra special. Whether you are looking to embrace the love and romance or would rather keep it short or sweet, we have a whole host of romantic, funny, sentimental messages and more. We have also included some top tips for celebrating your loved one’s birthday.

Psst! If you are still struggling with what to write in a birthday card for your girlfriend, boyfriend or life partner, check out the fabulous selection of cards at MyPostcard. You can send a card from anywhere to anywhere, with speedy international delivery. We have a wide selection of pre-written messages for you to choose from too!

Writing a birthday card for your girlfriend, boyfriend or long-time partner

It is always important to remember our loved one’s birthdays, and a nice card can a great way to let them know just how much you care. However, finding the right words to express what you feel for them could be a challenge.

If you just need tips on how to write a birthday card for your girlfriend, boyfriend or life partner, discover the best ideas here. If you want quotes to copy and adjust, continue reading…

Romantic messages

A card full of special feelings and romantic sentiments is bound to make them feel all fuzzy inside. If you prefer to lay on the romance, you could consider writing something like:

  • You will always be the one for me.
  • One day a year is simply not enough to celebrate someone as awesome as you.
  • You mean the world to me!
  • I love you to the moon and back.
  • You deserve the world and more.
  • Every day you bring more happiness into my life!
  • There’s no better feeling than being with your best friend.
  • You are my happily ever after.
  • I hope your birthday is as special as you are!

Keeping it short and sweet

Not everyone likes to write too much on birthday cards and you may prefer to stick to the point with a short and simple message such as:

  • Your smile makes me smile!
  • All my love on your birthday.
  • I am happiest when I am with you.
  • Happy Birthday to the one I love.
  • Happy Birthday to the best boyfriend/ girlfriend in the world!
  • Today we celebrate you.
  • You are my soul mate, my partner and my most trusted friend.
  • I hope all your hopes and dreams come true.

Something funny

What to write in a birthday card to your partner could be funny like this 'Any excuse to eat cake' card

For you what to write in a birthday card for a partner could be all about the giggles. Put a smile on your loved one’s face with a funny birthday message such as:

  • Congratulations on becoming another year older- shame it’s not wiser!
  • Happy birthday to the only person to ever laugh at my jokes.
  • It’s better to be on the hill than under it!
  • They say that it is scientifically proven that people who have more birthdays live longer.
  • Regardless of how old you get, I will always be younger.
  • You are now officially too old to have individual candles for your cake. Enjoy retirement!
  • Happy Birthday from the best gift ever… (Me!)
  • When I’m as old as you, I hope that I am half as funny as you think you are.

Example birthday card messages

We know that the wording you use on a birthday card is important and there is much to consider when determining what to write on your partner’s birthday card. If you are looking for something that feels more personal, consider adapting one of these example birthday card messages for a girlfriend or boyfriend.

If you are looking to send your significant other an extra-special birthday card with a personalized message, we are confident you will find the ideal one amongst these example birthday card messages:

What to write in a birthday card for a new relationship – early days

An example of what to write in a birthday card for a new relationship
An example of what to write in a birthday card for a new relationship.

If you have yet to say the L-word to each other, you might prefer to not say it for the first time via a card. However, you could consider writing something like:

Dear Darling,

Sending birthday wishes to the sexiest man/ woman I know.  I am so happy that you are in my life and I am so excited for our future together.

Here’s to our first birthday of many together.

Best Wishes.

Long term love

An example of What to write in a birthday card for a long-term partner
Here’s what you could write to someone you’ve been with for a long time.

If you are madly in love and you want to write a heartfelt message to your long term lover, you could consider writing something like:

To my partner in crime,

You deserve recognition for more than one day a year. You are my rock, my best friend, and you get sexier by the minute.

 I am so thankful you were born, so let’s celebrate!

Love you always.

Fabulous fiancé/ fiancée

A sample message for a fiance on their birthday

When writing a birthday card for your wife or husband to be, you may want to include an extra special message about how excited you are for your upcoming nuptials.

To my fabulous fiancé/ fiancée

Here’s to many more happy birthdays together!

I am so lucky that you are choosing to become a grown-up with me and I can’t wait till I can call you my wife/ husband. 

You were my birthday wish and I hope you get yours!

Love you forever.

Birthday messages for your life partner

A sample text for a life partner's birthday card

If you are wondering what to write in a birthday card for your girlfriend, boyfriend or life partner, express your feelings and let them know you care with a message such as this one:

Dear you,

Sometimes I look at you and realise how lucky I am to be growing old together.

You still make me feel special after all these years together and I am blessed you chose to be my wife/ husband/ penguin.

You mean the world to me, my love!

Long distance love

Sample message of what to write in a birthday card to a long distance lover

Unfortunately, we cannot always spend our birthdays with those we love. If your love lives long distance, you could consider writing a message such as this:

My dearest (Name),

Even though we are miles apart, you are always in my mind and always in my heart.

I wish we could celebrate together but instead, you get this card! You mean the world to me and I am so excited to see you again.

Lots of Love!

Make sure to check out more birthday wishes perfect for long-distance relationships here. (And to have a look at ideas for celebrating a long-distance birthday!)

Celebrating your partner’s birthday – 5 ideas

A man lights the Happy Birthday candles on a cake

Whether it is early days or a long term love, it is always nice to make their birthday extra special. Get inspired with our birthday celebration ideas for boyfriend, girlfriend, wife, husband or partner.

Some of our favourite ways to celebrate your significant other’s special day include:

#1 Intimate dinner party:

Whether you would prefer to invite family or friends or just have a meal for two, cook your special someone something special to make

#2 Picnic for two

Dine al fresco and enjoy a picnic for two in the great outdoors.

#3 Throw a party

If you want an extra special celebration for your partner’s milestone birthday, you could consider throwing them a party with all their nearest and dearest in attendance.

#4 Go on holiday

Whether you go for something fancy or just book a quiet weekend getaway, why not take your partner on a special birthday holiday? This would be a great idea for a special milestone birthday treat!

#5 Let them choose

It’s their birthday so why not give them a day of choosing exactly what you do! Whether it is watching a football match, going to the spa, or having a sofa day, you have to promise that they are in charge for the day – within reason of course!

Writing a birthday card for the one you love

Our top tips for making sure that their birthday card makes the best impression include:

  • Personalizing your message to them;
  • Including inside jokes or cutesy nicknames you have for each other;
  • Sharing your favourite memories from throughout the year;
  • Hinting at a birthday surprise you have planned for them;
  • Thinking about whether your partner would prefer something romantic or something more light-hearted.

Whether it is a new relationship brimming with potential or one built on years of shared memories, the message you include on a card can turn it from an everyday greeting to a sentimental memento. As a result, it can definitely be a challenge figuring out what to write on a birthday card for boyfriend, girlfriend, husband or wife. Hopefully we could help!

Need help with messages for other occasions? We have come great messages for all your occasions! Browse our calendar, to find upcoming events, how to celebrate them and what to say.


Hiya, I’m Maud. I’m an English girl who's moved to Berlin - because who wouldn’t fall in love with a country which has words like ‘Kummerspeck’ hidden around every corner... I love traveling and finding out the quirks of each country - and what better way to remember them than on a postcard?

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