Teen Mom star Catelynn Lowell has lost an impressive 30 pounds — and her husband, Tyler Baltierra, is in awe of her weight loss journey. “🎃👻 HAPPY HALLOWEEN from The Baltierra’s! 👻🎃,” Tyler, 34, wrote via Instagram on Saturday, October 31, showing off his family’s Halloween costumes. Tyler dressed up as Nightwing, while Catelynn, 34, […]