They grow up so fast! Former Teen Mom 3 star Alexandria “Alex” Sekella recently took to Twitter to share a sweet photo of her not-so-little daughter, Arabella, and we can’t believe how grown-up she looks. Not to mention, the now seven-year-old is the spitting image of her mama!

“Proud to be her coach,” Alex captioned a sweet photo with her mini-me on Sept. 21.

We first met Alex on 16 and Pregnant in April 2012. A the time, she was struggling with a near-impossible situation: Being a pregnant teen who wanted to keep her baby when everyone else in her life was telling her not to. Her drug-addicted boyfriend Matt McCann wanted nothing to do with her then-unborn child, and her mom Wendi said that unless she gave her up for adoption, she wasn’t welcome to stay in her home.

But Alex didn’t listen to the naysayers and knew she needed to keep her baby, so she did. Her mom eventually caved and let Alex stay with her, and when her boyfriend got out of rehab, he moved in too. Unfortunately, that situation didn’t end up working out. After several heated arguments, Alex’s mom kicked him to the curb.

These days, however, the reality star alum is enjoying life with her second grader. Most recently, she gushed about her baby girl turning seven years old. “Today is Arabella’s Big birthday. I can’t believe she is 7 but it doesn’t seem so long ago when this angel entered the world,” she captioned a series of shots on Instagram in July.

Oh, and she also has a new man in her life! His name is Tim Peters, and they’ve been together for over four years. Just one month after Belly’s birthday, Alex gushed about her main man on Instagram. “Happy birthday to this handsome man I love so much @timpeters24,” she wrote on Aug. 20.

Unfortunately, if you’re expecting to see her sweet fam on reality TV again, you may be disappointed. “I’m sure when the discussion about pulling cast members from Teen Mom 3 for Teen Mom 2 my name was probably not even mentioned because they knew that I did not want it,” she explained in last year. “Honestly, though, that was the best decision I could have made. I’ve been able to start a normal life and start a REAL career that will last a very long time and benefit my children. I’ve also been able to find a real relationship that won’t be picked and prodded at by the world to see. I have had a pretty drama-free life since the end of Teen Mom 3, and I don’t believe that any of that would’ve happened if I had not removed myself.” You go, girl! We’re happy to see her doing so well.

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