Jessica Simpson Rocks White Swimsuit During Photo Shoot

White hot mama! Jessica Simpson retweeted a picture of herself rocking a sexy swimsuit on Twitter Friday (Nov. 15). The singer-turned-fashion mogul, who welcomed her second child, son Ace Knute, in June, posed in the one-piece during a photo shoot for the Jessica Simpson Collection. ;) @JSCollection RT @nicole_chavez: Guess which mama I get to play dress up with today? #bts @ ://t.co/6I6kJ9Vf0T -- Jessica Simpson (@JessicaSimpson) November 16, 2013 Simpson, 33, who is also mom to daughter Maxwel...