Teen Mom 2's Jenelle Evans has brought a lot of drama to the MTV series, including substance abuse, relationship fallouts, and losing custody of her own son. Now that she is sober and working hard to be a present mother for five-year-old Jace and newborn Kaiser, the mother of two isn't afraid to brag about her newfound happiness.

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"Baby Kai on the left, @GroundLevelUp on the right sad a baby. #TWINNING" tweeted the star on Friday, posting side-by-side picks of baby Kaiser, born June 29, and current boyfriend Nathan Griffith. Kaiser does share some noticeable similarities with his father and Evans is proud to show them off.

While thrilled to have welcomed their first child together, Evans and Griffith have also gone out of their way to assure Jace that he has not been forgotten. Evans gave birth to Jace as a teenager after finding out she and then-boyfriend Andrew Lewis were pregnant.

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The pair have struggled over the years to give Jace a balanced home life. Back in March Hollywood Life reported that Evans was less than pleased with Lewis' skills as a parent. "I Kate trying to have a convoy with Jace's father… so hard not to get all mad at him," she explained.

Lewis has claimed that he has tried to visit Jace over the years, in spite of reports that he has been a relatively absent father who has yet to pay any child support. Barbara Evans, grandmother and legal guardian to Jace, reportedly removed the young boy from daycare after Lewis tried sneaking unauthorized visits during a number of the afternoons. He has made no effort to plan scheduled meetings since the incident.

Teen Mom 2 continues on MTV with new episodes Wednesdays at 10 p.m. ET/PT.

Tags: Teen Mom 2 MTV Reality TV