Zayn Malik is 20 today, One Direction tweet their birthday wishes

Today One Direction’s Zayn Malik said goodbye to being a teenager, turning the grand old age of 20.

Zayn turned 20 today. Copyright [Wenn]

And it didn’t take long for the singer’s band mates to send their birthday wishes to him either.

First to wish Zayn Malik many happy returns was eldest member of the group Louis Tomlinson, 21.

He tweeted: “Massive happy birthday to my brother @zaynmalik . See you in a bit ! Huge love !”

Up next was Niall Horan ,19, who clearly only likes to celebrate birthdays in one place.

Down the pub.

He wrote: "Massive happy birthday to one of my best mates! @zaynmalik ! 20 now ! Wohoo! Pints"

One Direction, minus Liam, wished Zayn a happy brithday. Copyright [Wenn]

Finally, youngest member and newly single Harry Styles, 18, sent Zayn some cyber loving.

He wrote: "HAPPY BIRTHDAY BAD BOIIII!! Happy 20th to a great great friend. Had some amazing times, looking forward to more! Love you bro .x"

Well Harry certainly wins the award for the most excitable birthday message.

[Related article: Ten reasons why omg! loves Zayn Malik]

Liam Payne, 19, was the only member not to tweet Zayn.

Although we’ve always seen Liam as more of a texter than a tweeter so we’ll just have to assume he remembered Zayn Malik’s big day.

However, the messages didn’t stop there.

Zayn’s Twitter must have gone into meltdown after hundreds of thousands of fans tweeted their birthday wishes to the singer.

And here’s one more: Happy Birthday Zayn Malik!

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