By Sarah Bull

Last updated at 6:00 PM on 8th February 2012

He's one of the more wild members of One Direction.

So when it came to celebrating his 18th birthday, it was no surprise that Harry Styles arranged a huge party with all of his famous friends, including socialite Pixie Geldof.

But Harry also decided to mark the occasion by heading out for a much more sedate evening as he went for dinner in Manchester last night with his parents.

Maturing already! Harry Styles celebrated his 18th birthday last night by heading out in Manchester for dinner with his parents

Maturing already! Harry Styles celebrated his 18th birthday last night by heading out in Manchester for dinner with his parents

The heartthrob, who actually came of age on 1st February, looked smart in a grey T-shirt, navy blue blazer and jeans as he joined his family at the Rosso Italian Restaurant.

And there was no sign of any female attention for Harry as he indulged in an Italian feast following his split from Caroline Flack.

Despite the fact he was going solo, Harry, who split from Xtra Factor host Caroline last month, looked in good spirits for the meal.

Me and my dad: Harry was joined by family members including his father as they dined at the Rosso Italian restaurant

Me and my dad: Harry was joined by family members including his father as they dined at the Rosso Italian restaurant

Harry has just returned from Los Angeles with his One Direction bandmates, where the group worked hard to make a name for themselves Stateside.

And while they were out there, the boys decided to mark Harry's 18th with a childish prank.

The group decided to book Harry a massage at the W Hotel, but played aj joke on him halfway through the relaxing treat.

Casual style: Harry wore a loose T-shirt, jeans and Converse trainers for the night out

A source told the Daily Star: 'In the end they treated Harry to a really posh body massage and pranked him halfway through.

'They told the spa manager the plan and while Harry was chilling out, eyed closed, in the relaxation room, the lads ran in with four buckets of iced water and drenched him.

'Everyone was laughing as Harry nearly jumped out of his skin. He vowed he'd get them all back one day.'

Here's what other readers have said. Why not add your thoughts, or debate this issue live on our message boards.

The comments below have been moderated in advance.

I really like Harry's style, He always look very smart and clean but he makes it look cool as well, much more appealing than Bieber who thinks it's cool to where your pants round your ankles.

Report abuse

ugh sorry but he's gorgeous. I'm older than him as well, shameful.

Report abuse

That's his stepdad.

Report abuse

There's no denying that he's quite the charmer and rather handsome. Will break hearts for many a year to come...

Report abuse

Maturing already?? Isn't that what all people do on their 18th? Go for a meal with the parents, then party with friends?

Report abuse

Robin Twist, the man in the photo, is his step dad, not his biological dad...

Report abuse

He then went on a night out in Manchester..

Report abuse

Maturing already? My family always go for a meal together no matter who's birthday it is. It's not a sign of maturing it's just something a family does together!

Report abuse

Don't mean to be pedantic but that's actually Harry's stepfather. The practical joke made me laugh - oh boys will be boys!

Report abuse

The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline.