It looks as though Maddie Ziegler is cashing in on her celebrity status off the dance floor as well these days. The Dance Moms star is promoting a new clothing line along with her sister Mackenzie on her Instagram account.

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In a photo posted on Monday, the Ziegler sisters can be seen modeling sweatshirts that say "So Yummy" from the Mod Angel line, which is an online tween clothing line. Maddie captioned the photo with, "So yummy with @shopmodangel LOVE their clothes."

Meanwhile, back on the dance floor, Maddie admitted just last month that there is no onscreen rivalry between her and fellow dancer Chloe Lukasiak.

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"Chloe and I are still friends," Maddie said during an interview with In Touch Weekly in August. "We just don't see each other as much when we aren't filming. She does he own thing."

Maddie's mother Melissa Gisoni added, "To be honest with you, I don't think there's any rivalry at all. You should see Maddie and Chloe backstage. They say I love you, they pray together, it's the cutest thing. The show wants them to be at each other's throats, but they're not. They're so supportive of each other."

In addition, Gisoni says that the drama gets so intense on the show, that she and her daughters have a hard time swallowing all the "hate" that comes their way from the other dancers and their moms.

"It bugs me. I know that it's really hard to the other girls when Abby pays more attention to me," Maddie said in the interview. "It's true, they don't get as much attention. But, I don't think it's right for the other moms to talk bad about me or behind my back. It hurts my feelings. And watching them yell at my mom, it makes me said."

Tags: Dance Moms Reality TV lifetime