'Teen Mom star Tyler Baltierra gushes about 'beautiful' fiancée Catelynn Lowell

Tyler Baltierra is in love and wants the whole world to know it. The 22-year-old Teen Mom star took to social media on Thursday to profess his love for fiancée Catelynn Lowell. He posted a picture of himself smiling on Instagram, and asked his followers, "Is it just me or do I look weird as hell smiling lol!?" Baltierra went on to explain that he has "a lot to be happy about." He praises Lowell as "beautiful, strong, & nurturing" before exclaiming, "I LOVE YOU CATELYNN LOWELL! #ThatsTheFaceWhen #IThinkOfHer." The couple recently revealed Lowell is pregnant with their second child. The pair were teenagers when they chose to give their first baby up for adoption, a process documented on MTV series 16 and Pregnant.