Best Celebrity Instagrams Of The Week: Justin Bieber Hangs With Scooter Braun, Kim Zolciak Shows Off Growing Baby Bump and More!

Justin Bieber loves a selfie, and so does his manager Scooter Braun!

Gabrielle Union showed off her killer bod at a costume fitting for her new BET show, Being Mary Jane. Seriously, what can we do to look this fabulous at 40?

Cody Simpson, or should we say Rico Suave, looked oh so dapper at a photoshoot for Desert Project.

There's no mistaking which leading lady this graduation portrait belongs to—the lovely Jessica Biel!

Did you know Tobey Maguire and Drake are buddies? We're actually loving this surprising friendship!

Rachel Zoe and Gwen Stefani had a "major mommy moment" at the inaugural gala of the Wallis Annenberg Center for the Performing Arts.

Lea Michele escaped Los Angeles for a San Francisco getaway with her pals Skylar Astin and Jonathan Groff. What a fun trio!

Jessica Alba, Nicole Richie and her little sis Sofia had a glam girls night out at Cadillac's Style Driven event to celebrate WhoWhatWear's 50 Style Stars.

"My bump today!!!! What an incredible miracle! I am so blessed and grateful! Don't know if ill ever get over the fact their is 2 babies in my tummy I'm still in shock lol!! Can't wait to find out what we are having! I'll meet my beautiful angels next month!! ❤️❤️," Kim Zolciak rejoiced to fans.

Muah! Andy Cohen and Madison Hildebrand of Million Dollar Listing LA cozied up for a quick pic before shooting Watch What Happens Live.

P. Diddy was in celebration mode this week as he launched Revolt TV with a star-studded soirée at Slate NYC. The guest list included everyone from Mary J. Blige and Ja Rule.

"First morning as husband and wife. Outside Vibiana where we said "I Do," Danielle Fishel sweetly wrote after her beautiful wedding. Congratulations to the happy couple!

Mindy Kaling got wild this week while spending some quality time with an adorable Bengal tiger.

Giuliana and Bill Rancic were all smiles while enjoying a family meal at Bacara Resort & Spa.

Hailee Steinfeld was over the moon to meet MTV's favorite prankster, Johnny Knoxville backstage at Late Night With Jimmy Fallon. Who is the cutie on the left? Hailee's brother Griffin!

LaLa and Carmelo Anthony got into the Halloween spirit with their son Kiyan at the local pumpkin patch. How cute is their family snapshot?

Carrie Underwood couldn't help but snap a pic while snuggling up to her pup Penny.

Lauren Conrad gave fans a sneak preview of her Halloween costume. Knowing Lauren Conrad it will be amazing!

Reality TV collided as JWoww reunited with her Stars In Danger co-star Kyle Richards. We can't forget about Kyle's handsom husband Mauricio Umansky!

We can't get enough of this cute mommy-and-me photo Emily Maynard shared of her daughter Ricki.

Have you been watching E!'s Eric and Jessie: Game On? If so, you'll love this selfie of the country crooner showing off her baby bump!

Oh you know, just Stella McCartney and Johnny Depp hanging out on the set of Paul McCartney's new "Queenie Eye" video!

We're in cuteness overload from Jimmy Fallon's latest Instagram of his little "jumping bear."