Reunited! Catelynn Lowell Returns Home To Tyler Baltierra & Nova After Rehab On 'Teen Mom OG'

Catelynn Lowell is home! During last night's episode of Teen Mom OG, she returned from a rehab center after a 30 day stay. Click through for the other O-M-G moments from last night's episode!

Reunited! Cate was finally able to get back in front of the cameras and spend quality time with her husband, Tyler Baltierra and their daughter, Novalee. During the heartwarming reunion, Tyler wrote a sweet letter to his wife gushing over her accomplishments and getting the help she needs.

So much better! During a therapy session, she admitted that she has a lot to work on, but has been doing so much better living her life sober.

Maci Bookout is one busy mama! With the birth of her third child approaching, she also has to plan a birthday party for her daughter, Jayde Carter.

The expecting mother invites her closest friends and family members over for a BBQ and cake, including her ex, Ryan Edwards' parents...but not him!

During a conversation with his parents, Jen and Larry, Ryan admits that he was hurt he wasn't invited to Jayde's first birthday and would of liked to have attended. He also admits that prior to Maci giving birth, he plans on discussing having more time with their son together, Bentley.

The drama explodes! Farrah Abraham and her on-again-off-again boyfriend Simon Saran get into ANOTHER fight over her new home! As fans may of seen already, Farrah bought the ring she hoped he would propose to her with, but that never happened.

Simon isn't having it anymore! Farrah's boyfriend finally stuck up for himself and walked out of the house.

Girls time! Farrah opened up to her longtime friend, Jen, about the stress of moving and her constant bickering with Simon. The mother admitted that Simon just "drags the energy" out of her. Yikes!

Boo boo's new home! Amber Portwood and Matt Baier furnished their new house together and are excited to finally be settled down.

Amber described buying her new home as a big "F U" to the people who thought they wouldn't make it. She is looking forward to having more of a stability and a family-oriented home with her daughter, Leah.

Leah was on vacation with Amber's ex, Gary Shirley and his wife Kristina, and the two admitted that even though they live closer to the 7-year-old's school now, they still aren't sure about switching up her routine!

What did you think of last night's episode of Teen Mom OG? Let us know your thoughts in the comments section!