Megan Fox In This Is 40 Bikini Clip

A bikini-clad Megan Fox is featured in a fresh clip from Judd Apatow's new movie This Is 40.

The star is watched by male lead Pete (played by Paul Rudd) and his pal Barry (Rob Smigel), as their wives watch them in turn.

A spin-off from Apatow's hit film Knocked Up, the movie follows the marriage of Pete and wife Debbie (Leslie Mann) as they cruise into middle age.

It also stars Jason Segel as Debbie's personal trainer and Chris O'Dowd from The IT Crowd as one of Pete's employees.

The movie was originally scheduled for release in the summer, but movie studio Universal opted to give its date to Snow White And The Huntsman instead.

It is now scheduled for release on 21 December in the UK.

Megan gave birth to her first child recently.