became parents last month, and are thought to have called their little one Willa.And giving a shout-out to her beau, she branded him her ‘baby daddy’.Taking to Instagram, the Sansa Stark star blessed us all with a black-and-white upload as they enjoyed a date night.‘Happy birthday to my love/bub/baby daddy,’ she captioned the shot.Right on cue, fans went into meltdown over that last phrase, thrilled to finally get some sort of confirmation from Sophie over the newborn.‘OMG BABY DADDY,’ one screamed, while a follower begged: ‘WE NEED A FAMILY PICTURE, PLEASEEEE.’Another cheered: ‘Iconic… the hottest couple there ever will be!!!!!’An Instagram user simply repeated: ‘Baby daddy holy s**t.’Sophie and Joe welcomed their baby girl last month in.
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