Spears, 30, looked especially stunning in a skin-tight Hervé Léger by Max Azria dress that did wonders for both her cleavage and her legs, while a pink-haired Lovato, 19, opted for a hip-hugging floral-printed dress and a black leather vest.
For the most part, Spears — who during the San Francisco auditions had an emotional reunion with her former duet partner, Don Philip — has been killing it with her X Factor fashions. She recently turned every head in the room at the auditions in Kansas City, when she arrived in a gorgeous knee-length white dress.
Spears — who joined the show after season 1 judges Paula Abdul and Nicole Scherzinger were not asked to return — also spoke candidly about her judging abilities while in San Francisco, admitting, “I’m a fair judge. Sometimes it’s hard because I know what they’ve been through, and being so young and [wanting to achieve] their dreams.”
“It’s such a subtle and delicate situation when they’re that young. So you just have to use constructive criticism and be there for them and show them support,” said Spears, who got engaged to her long-term boyfriend, Jason Trawick, at the end of last year.
“I don’t think I’m the toughest judge at all. I definitely think Simon would have to be the toughest judge,” she added.
For more on Spears’ critiques, watch the video below.
Lovato, meanwhile, recently revealed to the audience in San Francisco that she is dying to get a Vietnamese Pot Bellied Pig — and she has just the name for it, should she get one.
“I’d call it Simon,” she said. (More on that here.)
What do you think of Spears and Lovato’s latest looks? Check them out in our gallery now!