A big congratulations for Teen Mom Season 1's Catelynn Lowell and Tyler Baltiera. They welcome a healthy baby girl in New Year's Day.

Teen Mom Season 2 star Kailyn Lowry was first one to break the news.

She tweeted, "Congratulations to my good friends. @CatelynnLowell and @TylerBaltierra Cannot wait to meet your bundle of joy."

Like Us on Facebook

Baltiera, Catelynn's fiancé tweeted back and said, "Thanks Kai! Can't wait for you to meet her either!"

In the famous MTV show 16 and Pregnant, Lowell and Baltiera go through their ordeal of giving up their child for adoption in May 2009.

All people in the world have witnessed how Lowell coped with losing her first born child through tears and laughter. However, despite trials in their relationship, Baltiera proposed to Lowell.

Finally, after more than five years, Lowell and Baltiera truly believe they are ready to have a child and raise it on their own.

Though they have received some backlash from people with regards to Lowell's pregnancy.

The Teen Mom Star responded through Twitter right after the pregnancy news broke. She stated, "I am an adult and I can tell when I'm ready."

She continued on by saying, "idc (I don't care) what ANYONE says I'm gonna be me! WE ARE READY for a baby. #HatersGonnaHate"

As their new baby girl was born, Lowell and Batierra seem to be more than in love than ever thus strengthening their relationship.

Baltierra has expressed his feelings of elation for his newborn daughter through his Twitter account. He tweeted, "OMG guys! My daughter is BEAUTIFUL! Can't wait for you guys to see her. Born on 01/01/15 @ 3:15 #StillCantBelieveIt #ShesPerfect"

This is indeed the best New Year's gift the couple has ever received.

Tagsteen, mom, catelynn lowell, gives, birth, to, baby, girl