Nicole Scherzinger thinks she is a "lean, mean killing machine".
The 'Don't Hold Your Breath' hitmaker - who is known for her trim and toned physique - admitted her weight tends to fluctuate between her having a "superhero" attitude and being a little more "relaxed" about her figure.
Rosie Huntington-Whiteley has topped FHM's list of the 100 Sexiest Women in the world.
The model-and-actress - who topped Maxim's Hot 100 list earlier this week - denied Cheryl Cole the top spot for the third year in a row and beat off competition from Katy Perry and Rihanna, who placed second and third respectively in the British publication's annual poll.
The 41-year-old singer - who is due to give birth to twins in the coming weeks, her first children with husband Nick Cannon - will have a role on the new pop star search show, according to series boss Simon Cowell, but he won't reveal what it is.
Rihanna turned down a place on the judging panel of 'The X Factor'.
The 'S&M' singer would have loved to accept the offer of a role on the US version of the show by head panelist Simon Cowell, but cannot appear when it launches later this year because of her hectic touring schedule.