Caroline Flack and X Factor co-host Olly Murs strips down to a shirt and underwear for flirty new shoot

They've become the best of friends since landing the X Factor presenting gig. And Caroline Flack and Olly Murs flaunted their flirty new friendship during a sexy shoot for this week's Heat magazine.  The 35-year-old presenter wore just a shirt and underwear while she pranced around with her co-host Olly, 31, who wore a tight white vest and jeans. Pretty Caroline left little to the