EXCLUSIVE: T.I. Reveals Baby Heiress' 'Classic' Music Tastes and Diana Ross Connection Ahead of 'Family Hustle

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The Harris family is back on their hustle!

T.I. & Tiny: The Family Hustle returns for its sixth season on Monday, July 18, at 9 p.m. ET/PT on VH1, and ET sat down with Tip to discuss one of the biggest plot developments this season: his new baby girl!

The couple welcomed daughter Heiress Diana Harris, the seventh child to join their family, on March 26, 2016, but cameras were already rolling when news of the surprise pregnancy broke.

WATCH: T.I. and Tiny Welcome Baby No. 7 

"I didn't believe it," T.I. admits with a laugh. "Everyone was extremely pleased. Major, when he found out it was gonna be a girl, I think he wanted a little brother. But he loves her. Now that she's here, he definitely appreciates her."

T.I. jokes that it's "all hands on deck" with raising little Heiress, but he's taken a special interest in helping to develop her musical tastes.

"She likes music a lot," he says, revealing with a laugh that he doesn't play his own music for her to hear.

"She likes Prince, I play some Aaliyah, the Isley Brothers, really the classics, things that I would consider classic," he continues. "I wouldn't want to put anything trendy in her ear because you never know if it's actually gonna stick around long enough for her to actually gravitate towards it."

WATCH: T.I. Teases New Album, ‘Dime Trap’ 

Fittingly, Heiress already has an unbreakable tie to one musical icon -- Diana Ross.

"Tameka's mom is named Diana," T.I. explained of Heiress' middle name. "And also, she was born on Diana Ross' birthday."

But it's not all baby talk when The Family Hustle returns to the small screen. The show will follow T.I. as he continues building his empire, including a brand new cooking show, while Tiny helps Shekinah launch her own hair product line. Meanwhile, Domani gives stand-up comedy a shot, Messiah heads to high school, King writes a children's book, and Major faces his fear of water with swimming lessons. (Did we mention the Jello wrestling with T.I.'s crazy Uncle Crow? That definitely happens, too!)

WATCH: Inside T.I. and Tiny's Glamorous Baby Shower