updated 09/23/2010 AT 12:40 PM ET
•originally published 09/23/2010 AT 3:00 PM ET
Aaron Tveit is honest enough to kiss and tell.
How does Franco fare? “He was fine,” Tveit told PEOPLE nonchalantly on Wednesday at the New York premiere of Howl, which costars Franco.
And how about Lively, whom Tveit romanced as Trip van de Bilt on Gossip Girl? “She was awesome,” he replied enthusiastically. Better than Franco? “Yeah, sorry James,” Tveit said with a smile. More of an electric charge with Lively? “Yes,” Tveit admitted. “Definitely!”