They say imitation is the highest form of flattery and if that's true Britney Spears must be a huge fan of Julia Roberts'.

Having a giggle with the ever-present paparazzi at her LA home, the 26-year-old clutched a copy of Vanity Fair and mimicked the pose of its cover star Julia Roberts.

Putting a rose in mouth and pointing to the magazine, Britney showed off her sense of humour with the comical move.

Sense of humour: Britney struck a comical pose for photographers

The controversial star has been going from strength to strength recently in the battle to regain her status as the princess of pop and its good to see she hasn't lost her sense of humour in the process.

Spending more time with her children, who ex-husband Kevin Federline has full custody of, and getting back in shape Britney seems to be determined to turn her life around

And she's back on the celebrity party circuit too.

Tanned and toned: The singer arrived at Christian Audigier's birthday party in a racy dress and killer heels

The star attended designer Christian Audigier 's 50th birthday party in a racy black tube dress and towering Christian Louboutin heels last night.

Looking tanned and groomed, Britney chatted and giggled with friends and seemed to be having most fun with her agent Jason Trawick.

The pair sat next to each other, sharing jokes and entertaining the rest of their group at the LA event in Peterson Automative Museum.

The singer had fun sharing jokes with agent Jason Trawick