One actress that can certainly give Bridesmaids star Kristen Wiig a run for her money in the comedienne department is definitely Leslie Mann. As the real-life wife of Knocked Up director Judd Apatow the silly screen siren was spotted shooting scenes her sure-to-be hit This is Forty in LA yesterday.

While Megan Fox was spotted on set on Monday as well, Leslie filmed a few scenes of her own, all the while holding a mic for Vanity Fair. Hmm, wonder what Leslie’s character is up to?

Photos by FAME