Everything We Know About Amber Portwood & Matt Baier's Nasty Split

Another couple calls it quits! Teen Mom OG star Amber Portwood has ended her engagement to Matt Baier but the two are still living together.

 The relationship came to a make or break moment on last night’s TM episode when Amber caught Matt giving castmate Catelynn Lowell a Xanax for an anxiety attack.

 Matt has struggled with addiction issues in the past and Amber was confused as to why he would have prescription drugs with him.