Rachel Bilson and her fiance Hayden Christensen return home together on Sunday afternoon [March 8] after running some errands in Burbank, Calif.Rachel, 27, donned a funky nude fringe dress, Christian Louboutin t-strap heels and her fave green Chloe chain strap bag. Hayden, also 27, wore his favorite cap from Lacoste, for which he is a spokesperson.The loved-up couple got engaged over the holidays.15+ pictures inside