Simpson tells PEOPLE about asking the "Baby Love" singer for advice ahead of her I Am Me residency in Las Vegas Ashlee Simpson's extended family ... so I'm so excited," she explains. The "Shadow" ...

The "Pieces of Me" singer previously starred on MTV's 'The Ashlee Simpson Show' and the E! network's 'Ashlee+Evan' ...

“Shadow”? “Love Me for Me ... And I loved that because it felt like it was a real teacher. Ashlee Simpson and her husband, Evan Ross, with their children Ziggy, left, Jagger, center, and Bronx, right, ...

The "Pieces of Me" singer tells PEOPLE about her I Am Me residency at the Venetian Resort's Voltaire nightclub in Las Vegas ...

Ashlee Simpson Ross' I Am Me residency at the Venetian Resort's Voltaire nightclub in Las Vegas kicked off last month and runs through Sept. 27 The "Pieces of Me" singer tells PEOPLE about how her ...