The 'Scream & Shot' star showcases the track taken from the soundtrack to The Great Gatsby.
Will.i.am For Vodafone Big Top 40 Number One Spot?
The Black Eyed Peas star will be aiming to stop David Guetta from claiming a second week at the top.
Madonna, who will be performing at this weekend's Super Bowl may also be celebrating a chart success when her Nicki Minaj and M.I.A featuring track 'Give me All Your Luvin' is released this week.
Canadian newcomer Alyssa Reid may also be set to make a surge for the top of the chart with her single 'Alone Again.'
Meanwhile, Will.i.am ecently told Capital FM that he has recorded a classical song with former Pussycat Doll Nicole Scherzinger as well as teaming up with Alicia Keys and Britney Spears on new album '#willpower'.
The Vodafone Big Top 40 with Rich and Kat airs every Sunday from 4-7pm.
The Black Eyed Peas man talks about the "bonding" the pair enjoyed in the run up to teaming up together.
The Black Eyed Peas man praises the Royal at a New York fundraiser dinner this week.
Check out a battle of the moves from PSY's 'Gentleman' and Will.i.am's '#thatPOWER'.