Selena Gomez is a proud dog mom, taking her new pup Winnie to a doggy birthday party. Gomez and Winnie celebrated the birthday of her friend’s dog, a Cocker Spaniel named Freddy, in Los Angeles Friday. In a video posted on a Gomez fan account, Gomez and friends sang “Happy Birthday” to Freddy, who turned six and wore a birthday hat for the occasion. Gomez took a break from her busy schedule lately to attend the party. She’s currently planning on releasing new music after a long hiatus to focus on her mental health...