News 'Extreme Weight Loss' Trainer Welcomes Baby By Raphael Chestang 2:08 PM PST, November 19, 2013 Getty Images Extreme Weight Loss trainer Chris Powell and his wife Heidi welcomed a baby girl on Tuesday, People reports!"We are so incredibly grateful for such a beautiful and healthy little addition to our family," the couple told the news source. "The six pack is now complete."The new addition, named Ruby Lane Powell, arrived weighing 6 lbs., 15 oz. and joins siblings Cash, 2, Marley, 6, and Matix, 8.Related GalleryAdorable Tots: Celebs and their Cute Kids!