Teen Mom 'Teen Mom' star Catelynn Lowell denies she is reportedly pregnant again 06/14/2012 Teen Mom star Catelynn Lowell has denied a report that she's pregnant again. Read More RELATED NEWS 'Teen Mom OG' star Catelynn Lowell and husband Tyler Baltierra expecting again after miscarriage'Teen Mom OG' star Amber Portwood arrested for domestic batteryBristol Palin announces she's leaving 'Teen Mom OG' after one season: It wasn't a good fit and money doesn't impress me TAGS: Teen Mom Catelynn Lowell