Amanda Seyfried InStyle magazine cover

Amanda Seyfried InStyle magazine cover

"Channing [Tatum] was amazing. He's a superstar," the actress, 27, tells the January issue of InStyle about us's 2012 Sexiest Man Alive.

Seyfried, who starred opposite Tatum in 2010's Dear John, is well-aware of her former costar's appeal.

Upcoming Topic

Amanda Seyfried InStyle magazine cover
Ian McKellen Has Prostate Cancer
Crystal Harris's Engagement Ring
Miley Cyrus's Dog Dies
Sheryl Crow's Son Wyatt Steven photo
Busy Philipps Expecting
Beyoncé $50 million deal
Barrett Brown indicted