Duff and 7-month-old Luca stick together in L.A. Plus: Jenna Dewan-Tatum, Brad Pitt, Sarah Jessica Parker and more

BEAUS & BOWS

Modern Family's Jesse Tyler Ferguson and fiancé Justin Mikita make last-minute adjustments to their dapper ensembles Wednesday as they celebrate the launch of Tie the Knot – their charity benefitting marriage equality – in West Hollywood.