Justin Bieber dotes on wife Hailey Bieber's toddler niece as the couple step out in Studio City

Ashlee Simpson wears low-cut top while out in Studio City... after surprise show with Demi Lovato

Hilary Duff treats son Luca and daughter Banks to frozen yogurt in Studio City

Kaia Gerber keeps it sporty while on a smoothie run in Studio City

Hilary Duff cuts sporty figure as she steps out in Studio City with daughter Banks

Miles Teller cuts casual figure in a t-shirt and shorts after a massage session in Studio City

Vanessa Hudgens Buys $7.5 Million Dollar Mansion In Studio City: See Photos & Video

Hilary Duff keeps it casual as she steps out for lunch in Studio City

Lucy Hale displays a glimpse of her washboard abs during a solo hike in LA's Studio City

Mischa Barton puts on a leggy display in a frilly dress while running errands in Studio City

Lana Del Rey bares a glimpse of her midriff while picking up lunch and an iced coffee in Studio City

Casey Affleck & Girlfriend Caylee Cowan Step Out for a Grocery Run in Studio City

Teyana Taylor and Iman Shumpert Sell Studio City Home

Hailey Bieber flashes her toned midriff in a crop top while shopping at Erewhon in Studio City

Hilary Duff has her hands full during errand run with daughter Banks, three, in Studio City

Rami Malek & Girlfriend Lucy Boynton Enjoy Rare Day Out in Studio City

Hilary Duff enjoys a lunch outing at Katsu-Ya in Studio City with her mom and daughter Banks

Kurt Russell and Goldie Hawn's son Wyatt Russell sells Studio City home for just under $2.9M

Wyatt Russell Finds Buyer for $2.8M Studio City Home

Hilary Duff stays cozy while carrying her baby daughter Mae during a grocery run in Studio City