Summer's Sizzling Romances

Amanda Seyfried, Taylor Lautner and more stars are turning up the heat with new significant others

TAYLOR & MARIE

Is love in the air for the former Twilight star? On July 30, Lautner got the rumor mill churning when he was spotted walking hand-in-hand with Avgeropoulos in N.Y.C., where they're currently filming the upcoming action movie Tracers. "They're happy and having a fun time together," a source tells PEOPLE.