Beyoncé and Jay Z couldn't stop smiling as they left London hot spot Cecconi's on Friday. After a wild night of partying  with Swizz Beatz and will.i.am on Thursday, the couple opted for a low-key outing at the Italian restaurant. Beyoncé went with a casual look for the date, donning a formfitting dress, sunglasses, and green beanie, which hid most of her flowing locks. The pair have been regulars in London's upscale Mayfair district lately, having explored the area's establishments while in town for Beyoncé's six concerts at the O2 Arena. The Mrs. Carter Show World Tour will next take the family to Dublin, Ireland, where the husband and wife are expected to perform their hit "Drunk in Love" at four sold-out shows. Their daughter, Blue Ivy, joined the stars for their overseas work trip. Just this week, a video of the singer's Grammy performance rehearsal gave us a peek at an adorable exchange between Beyoncé and Blue . Keep reading to see Beyoncé and Jay Z's latest snaps!