Arrival Date: July 2012. It's...a girl! And baby makes...three! This is the first child for couple, who was first spotted together in the spring of 2011. In February, it was reported that the duo was engaged, after Miller debuted a diamond sparkler on her ring finger. Birth Announcement: The British actress has yet to confirm her daughter's arrival, but Us Weekly reported on July 8 that the couple had welcomed a baby girl ove rthe weekend. Miller kept quiet through the beginning of her pregnancy, and finally confirmed the news in the April issue of British Vogue. "I'm feeling fine," the actress said. "It's all progressing nicely and it's very exciting."