From what we've seen of the five-part miniseries, she took Winslet's advice to heart, merkin and all.
In a throwback clip from the Channel 4 game show, donned a tight-fitting pink number and marked the occasion by going braless.
To figure out which of those performers get full-frontal, you'll have to see the film though.
The 17 Again star went fully nude to play Jason, the 20something sorting out his feelings on relationships with pals Daniel Miles Teller and Mikey Michael B.
It will show played by Oliver Chris and the Duchess of Cambridge Riley as they plot against the king, with Kate goading her husband to seize the throne.
As a woefully repressed recent widow, baring her body to Billy Bob Thornton's prison guard was the equivalent to baring her soul.