Hilary Duff and Matthew Koma made their relationship red-carpet official this weekend! At Entertainment Weekly's pre-SAG Awards party Saturday,the pair shared the highlight on the red carpet at the Chateau Marmont. Both sported sleek, all-black looks, and Hilary rocking a sky-high slit and her musician beau opting for a polka dot button-up under his suit.
Source: extratv.com