Moroccan Cannon and Monroe Cannon will always be Mariah Carey's babies. 

That was made clear when the 15-year-old twins posed with the "Obsessed" singer in an adorable mirror selfie. 

Moroccan shared a grainy Instagram snap Sept. 9 of himself holding up three fingers alongside a smiling Carey—whose blonde locks fell in effortless waves over her white top—while Monroe took the photo. He captioned the post, "on a lark."

For the Grammy winner—who shares Moroccan and Monroe with ex-husband Nick Cannon—watching her kids grow into their own has been more than a sweet, sweet fantasy. And she will always be their biggest cheerleader.

"Rocky is a technical genius," Mariah told E! News in December 2022. "He could do anything he wanted, and I will support him. He and Roe are both such creative geniuses"

And when they sing, it's clear they belong together. "Honestly, their tone when they sing is so beautiful, and I'm so thankful that they inherited that from me," she continued. "I can't wait to see what and who they grow up to be!"

Although the twins—who have an additional 10 half-siblings on their dad's side—are carving their own paths, Carey embraced them with open arms while they made a surprise appearance during her performance at the 2022 Macy's Thanksgiving Day Parade.

"When they want to be involved and feel like it will be something fun, they show up, attend rehearsals, and get really into it," she added. "It's such a joy to be able to watch them when they're fully engaged, relating to their other friends—many of which are aspiring singers or dancers who weren't born into the entertainment world."

Though she knows her kids have a leg up with two famous parents, the 57-year-old has always expected Moroccan and Monroe to give it their all when it comes to their future.

"I think it's important that they learn these lessons because I grew up without that privilege and they need to understand that it is so important to try your hardest and do your best," she added. "It's one of my greatest honors to watch them shine."

For a closer look at Moroccan and Monroe over the years, keep reading.

Monroe and Moroccan made an adorable cameo during their mom's performance at the 2022 Macy's Thanksgiving Day Parade.

The twins celebrated with the singer after she broke the Guinness World Record for the highest-charting holiday song on the U.S. Hot 100 chart by a solo artist with "All I Want for Christmas is You" in 2019.

The children joined her onstage during Mariah's Caution World Tour in 2019.

The kids also appeared onstage in their holiday apparel during Mariah's "All I Want For Christmas Is You" tour in 2018.

Mariah took to Instagram to wish her ex-husband a happy Father's Day, which she celebrated with her kids.

The family enjoyed an outing to Universal Studios Hollywood where they posed while wearing their 3D glasses.

Roc and Roe celebrated Mother's Day by showing plenty of love by styling Mariah's hair.

The mom proved she wasn't afraid to get silly when she bounced on the trampoline with her kids.

Mariah was beaming as she visited her twins at school.

The whole family got together to walk the orange carpet at the 2018 Kids' Choice Awards where the twins showed off their unique sense of style.

The twins obviously have a fierce sense of style, which they proved when their mom let them dress themselves.

"Friday night fun," Mariah captioned this silly shot with her kids.

Roc and Roe hit the beach during a family vacation.

Roc and Roe wouldn't leave each other's sides during a fireworks show.

Too cute! Roc and Roe brought flowers to Mariah during her Caesars Palace show in Vegas.

The famous family was joined by Nick's mom during a sweet treat outing.

Roe couldn't contain her excitement during a theme park ride.

The singer was all smiles while embracing her son and daughter.

Mariah posted this precious pic of her twins hugging each other tight. So sweet!

Even at six months old, Roc and Roe's Halloween costumes were so on point! The fam looked adorable as The Incredibles.

What does Mariah Carey wear to the neighborhood park? A formal ballgown and heels, of course!

Looks like Roe is following in her mother's diva-vicious footsteps.