Hilary Duff Responds to Leo DiCaprio 'Mature' Lyrics Rumors & Much, Much More! - On Air with Ryan Seacrest

Hilary Duff is back! Our girl joined us on-air to take us behind-the-scenes her return to music and hit new single "Mature."

The songstress and mom of four shared what it's like to release music in the age of social media and answered Tanya Rad's burning question if the track is referring to Leonardo DiCaprio. 

Get all the details on her mini tour too! 

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