Megan Fox reportedly filmed a cameo in Eminem and Rihanna’s new music video yesterday.

The beautiful star is apparently appearing alongside Lost actor and former hobbit Dominic Monaghan in the promo for Love The Way You Lie.

SEE SEXY PICS OF MEGAN FOX IN OUR GALLERY HERE

It’s claimed they’ll play a couple in steamy scenes as Ri’ and Em’ burn a house down!

A source told E! Online: “ Things start off with a sex scene between Megan and Dominic, Then they fight but end up having sex again.”

Joseph Kahn - responsible for previous Em’, Pussycat Dolls and Muse videos- is directing Love The Way You Lie and has been shooting all week.

Pics from the set already leaked online showing Rihanna surrounded by flames.