Louis Tomlinson waited up until midnight to send a 20th birthday message to his girlfriend Eleanor Calder on Twitter.
The smitten One Direction singer attempted to make his other half's big day a trending topic on the site by using the hash tag #happybirthdayeleanor.
'A very happy birthday to my lovely girlfriend @eleanorjcalder . Love you lots and lots #happybirthdayeleanor,' he Tweeted.
Louis, 20, wasn't the only person who was keen to send Eleanor a celebratory Tweet at the stroke of midnight.
The 1D star's mum Jay penned a cute message from the entire Tomlinson family.
'@EleanorJCalder Happy Birthday sweet! Have a lovely day with my lovely boy! Love Jay, Dan & girls XxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxX,' she Tweeted.
And Liam Payne's girlfriend Danielle Peazer, 24, wrote: '@EleanorJCalder HAPPY BIRTHDAY!! I waited up which was hard seeing as we're already 1hour ahead of you! Have an amazing day, lots of love x.'
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