Summer's Sizzling Romances

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

MICHELLE & DUSTIN

After splitting with Jason Segel in February, Williams has gotten cozy with artist Yellin, with whom she was spotted leaving the Metropolitan Museum of Art's Costume Institute Gala in May. An even better indication of their courtship? Yellin has also spent time with the actress's daughter, Matilda, joining the pair at a children's birthday party in June.