Suki Waterhouse is a girl mom! On Friday, April 12, during her Coachella set in Palm Springs, Calif., the musician, 32, announced the gender of her and partner Robert Pattinson’s child. “I don’t know if some of you know, but I had some big life changes happen recently, some pretty big events have been going down,” the “OMG” singer told fans. “I love amazing ladies and I’ve been very lucky to have my own little amazing lady and meet the love of my life.” The announcement came after the Daisy Jones & The Six star uploaded a photo to Instagram giving her four million followers a glimpse of her pr…