The TV presenter has impressed on Strictly Come Dancing in recent weeks alongside dance partner Robin Windsor, and revealed that she has dropped three dress sizes in the process.
The 36-year-old told Heat that the sexy photoshoot was her chance to "be Beyoncé for the day", before qualifying that by joking: "Well, Beyoncé pregnant. Or Beyoncé after she's eaten all the pies."
Putting jokes aside, she reiterated that she is not to be underestimated on Strictly, saying: "Everyone probably thought I'd be the Ann Widdecombe or John Sergeant, but I'm not.
One Show host and Strictly runner-up Matt Baker earlier in the week backed Riley to win the competition.
Read the full feature in this week's Heat, on sale now.
Watch Lisa Riley perform on last weekend's Strictly Come Dancing below: