Catelynn Lowell & Tyler Baltierra Celebrate Daughter Carly's 9th Birthday In A Heartbreaking Clip

Catelynn Lowell and Tyler Baltierra are staying strong!

In a sneak peek clip for Teen Mom OG, the fan favorite couple celebrate their daughter Carly's 9th birthday. As fans may remember, the two placed their daughter for adoption back in 2009 when they were starring on 16 & Pregnant.

Watch the clip above to hear what their adoption counselor had to say! Teen Mom OG airs Monday night at 9pm ET, only on MTV!