Watch Malin Akerman 'Pour Some Sugar' on Lip Sync Battle

Looks like Taylor Swift isn’t Def Leppard’s only fan of the famous-blonde-and-beautiful variety.

In a preview of this week’s Lip Sync Battle, Malin Akerman rocks out to the English rock band’s 1987 hit “Pour Some Sugar on Me.”

WATCH: Stephen Merchant Gets 'Dirrty' on Lip Sync Battle

This week’s Lip Sync Battle isn’t going to be a clean fight.

At least, not if Stephen Merchant has anything to do with it. In a clip from the upcoming episode, he channels his best “Dirrty”-era Christina Aguilera in an attempt to out-lip-sync opponent Malin Akerman.

Watch 5 of Jimmy Fallon's Most Popular Late Night Moments, from Hashtags to Mom-Dancing

What do mom-dancing, hashtags and children’s instruments have in common? They’re all topics that Jimmy Fallon, with his one-of-a-kind ingenuity and enthusiasm, was able to mine for big laughs – and, once they hit the Web, big views.

Possibly more than any other show, Fallon’s Late Night understood the science of making comedy bits go viral. The formula was easy to explain, but hard to master: Take a celebrity, give him or her a trending topic and find a cutesy, nostalgic spin, then hopefully watch the views roll in.