Harry Styles spends 19th birthday with Caroline Flack?! Cue Taylor Swift angry song.

Harry Styles' love life is so eventful, it's easy to forget that he has some famous exes other than Taylor Swift and Cara Delevingne. Yes, many moons ago Harry Styles dated Caroline Flack, too. Remember that?

Harry Styles and Caroline FlackHarry Styles and Caroline Flack were at the same venue last night. Copyright [Rex/Splash]And, unless our eyes are deceiving us, it looks as though Harry Styles spent his 19th birthday with Caroline Flack. We can just picture Taylor Swift raging and writing an angry song about her ex going back to his ex and never wanting to get back together. Ever.

[Related article: Harry Styles and Taylor Swift want nothing to do with each other]

[Related article: Cara Delevingne denies dating Harry Styles]

Harry Styles was out celebrating his 19th birthday at a London club last night, with an assortment of his celebrity friends photographed arriving and leaving.

The famous bunch OBVIOUSLY included Nick Grimshaw and James Corden AND Caroline Flack.

Nick Grimshaw and James CordenNick Grimshaw and James Corden were also out. Obvs. Copyright [Rex]We're glad that the pair are clearly still friendly despite their breakup a year ago.

Harry Styles looked dapper in a navy blazer, white T shirt and black skinny jeans. However, he kept his head down as he made his way to and from the club.

Harry StylesHarry Styles seemed keen to go unnoticed as he left. Copyright [Rex]It looked as though Harry was celebrating his birthday without his One Direction bandmates. We know that Zayn has a good excuse (relationship drama) but what about the rest of them?

Caroline FlackCaroline Flack was snapped getting into a taxi at the end of the night. Copyright [Splash]Funnily enough, Taylor Swift was left off the guest list. A friend of Taylor's revealed this week that the pair have nothing to do with each other.

The friend said: "Concerning her and Harry, they don’t talk to each other at all. The relationship is as over as possible. They want nothing to do with each other."