Still crazy in love. During his London concert at Tottenham Hotspur Stadium on Friday, Jay-Z (born Shawn Corey Carter) took a moment to honor his wife, Beyoncé, getting the crowd to join him in a serenade for her 45th birthday. The performance marked the first of two London dates on Jay-Z’s limited “Jay-Z 30” run, which celebrates 30 years of his debut album, “Reasonable Doubt,” and 25 years of 2001’s “The Blueprint.” The “99 Problems” rapper, 56, is set to take the stage again Saturday night for his second and final London show. In a video posted to Instagram by People, Jay-Z could be seen leading the crowd in a rendition of “Happy…
