Summer's Sizzling Romances

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

ALI & KEVIN

Following her split from fiancé Roberto Martinez, Fedotowky moved on with Manno, the host of Abby's Ultimate Dance Competition, in April. "[Ali is] happier than she's been in a long time. She thinks Kevin is a great guy," a source told PEOPLE of the former Bachelorette, who jetted to Mexico with Manno in July.