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Blake Lively's Ex Penn Badgley 'So Happy' for Newlyweds
"I actually didn't know until last night, but I think it's fantastic," Badgley, who still costars on the CW show with Lively, tells PEOPLE. "I couldn't be happier for her."
Badgley and Lively, both 25, became a couple during filming of their CW show Gossip Girl, and broke up in 2010. (He's now dating Zoe Kravitz.) Still, he thinks that the newlyweds are "pretty spot-on."
"I'm so happy for her," continued Badgley, who learned of the wedding by reading reports and speaking to "people who are close to her."
Added the actor of his ex's relationship with Reynolds, 35: "I think it's everything that it should be."