Keira Knightley's post split party

Keira Knightley went on a girls' night out with Sienna Miller to help get over her split from Rupert Friend.

The 'Pirates Of the Caribbean' actress and her partner announced they are parting after five years earlier this week.

While the reasons for the love split are said to be mutual, they are both devastated, so Sienna, 29, took Keira, 25, to a karaoke bar on Thursday (13.01.11) in a bid to help cheer her up.

The pair and friends went for Italian food at Soho restaurant Bocca Di Lupo before they are said to have run up a £500 bar bill at the Lucky Voice bar and Karaoke venue in London's Soho area.

During the evening Keira and her girls sung hits including Pussycat Dolls' 'Don't Cha', Bon Jovi's 'Livin' On A Prayer' and Queen's 'Don't Stop Me Now'.

A source at the bar told The Sun newspaper: "It was a pretty raucous affair. The girls went really crazy for Cosmopolitan cocktails. They weren't holding back at all.

"There were about 12 people in the group, but no diva-like antics. They all got stuck in."

Keira is said to be throwing herself into her work following the love split, and her father, William, said earlier this week that he hopes she will remain close to Rupert.

He said: "It wasn't a decision that either of them took lightly. I know they gave it a great deal of thought. I don't think there was any one thing that led to their break-up - it was a whole raft of things, I think.

"It's very unfortunate, but Keira is coping well and is focusing on a new West End play that she is opening. She is getting on with things. I know that she and Rupert will remain great friends."

Keira is currently starring in play 'The Children's Hour' in London's West End.

Follow Emirates 24|7 on Google News.