Estrellas we love: The best celebrity photos of the week

Camila Cabello walked backstage with her mom at the iHeartRadio Music Festival in Las Vegas. The singer debuted performed Liar and Shameless for the first time during the concert which airs October 2 and 3 on the CW. The Miami native also sang her hits Never be the Same, a solo rendition of Señorita and Havana.

Selena Gomez wished upon a star that she'd one day get to attend a taping of her favorite show Shark Tank - and that wish came true! The I Can't Get Enough singer's friends gave her the exciting news on her July birthday and this week she finally "swam with sharks" Mark Cuban, Kevin O'Leary, Lori Greiner, Barbara Corcoran and Robert Herjavec.

"My dream come true," she along wrote with a series of photos. "My friends surprised me on my birthday with a taping of shark tank and it finally happened!! Thank you so much for all being so kind, funny and genuine."

Elyfer Torres joined stars on stage at Concert for America which raised funds for the National Immigration Law Center. The evening's show took place at UCLA's Royce Hall.

Kim Kardashian, Kendall Jenner and Sophie Turner caught up backstage in the Lindt Chocolate Lounge at the Emmys.

Brad Pitt kept things casual as he arrived for the opening night of Center Theatre Group's A Play is a Poem by his friend Ethan Coen on Saturday, September 21 at the Mark Taper Forum in Los Angeles. Despite the 55-year-old actor ducking under a black paperboy hat and brown jacket, fans immediately recognized him.

JLo broke the internet again! 20 years after rocking the Grammys in a plunging Versace jungle dress, Jennifer Lopez recreated the iconic moment at the Versace Spring 2020 show during Milan Fashion week. The 50-year-old closed out the show, making her runway debut in a brand new version of the chiffon dress.

Charlie's Angels director Elizabeth Banks caught up with Big Little Lies star Laura Dern at Audi's pre-Emmy event honoring oustanding television talent at Sunset Tower in West Hollywood.

Diane Guerrero awarded Mónica Ramírez (activist, founder of Latina Impact Fund and Esperanza: The Immigrant Women’s Legal Initiative of the Southern Poverty Law Center) with the "Voices of the Year Award" in the Changemaker category at #BlogHer19 Creators Summit.

Molly Sims delivered the keynote message at WORKSHOP: A Day for Female Founders on September 19 at the Riveter West L.A. "Juggling everything on your schedule takes work," she said, "and a concerted effort to still prioritize yourself at the end of the day."

Puerto Rican singer Ana Isabelle, who plays Rosalia in the highly-anticipated West Side Story movie remake, thanked the film's leader Stephen Speilberg for being the best "jefe" ever.

"Dear Boss, Genius, living legend and one of the kindest human being I’ve ever known," she prefaced. "Thank you for the experience of a lifetime and for being there with us every step of this journey. Thank you for believing in me and letting me be your Rosalia. I feel so blessed, grateful and privileged.

Gracias Diosito y gracias a ti maestro STEVEN SPIELBERG. I love, respect and admire you so much, now more than ever!

Mi Jefe, our director es lo máximo!"

Oh, fancy seeing you here... ABC’s The Bachelorette runner-up Tyler Cameron sipped some Diablo Dark Red, an innovation by Casillero del Diablo, at the brand’s launch party.

Victoria’s Secret Angels Alexina Graham, Josephine Skriver and Martha Hunt hosted Victoria’s Secret Angel "Cycle to End Cancer" fundraiser at Flywheel NoHo Studio in NYC on September 18.

Rachel Zoe hosted the Pottery Barn Kids and Pottery Barn Teen launch dinner at auburn restaurant in L.A. on September 18. For each of the designer's friends that attended - like Ashlee Simpson - like a crib was donated to Baby2Baby.

American-Dominican television personality Julissa Bermudez enjoyed herself at the D’USSE XO dinner at Beauty & Essex in L.A.

Mariah Carey debuted the Mixed-ish theme song to partygoers at ABC and POPSUGAR's “Embrace Your Ish” premiere event on Tuesday, September 17 at Goya Studios in Hollywood.

Orange is the New Black ladies Natasha Lyonne and writer Lauren Morelli were blousey beauties as they celebrated each other’s achievements at Variety Showrunners Dinner sponsored by Icelandic Glacial water.

Rihanna werked it for the cameras at a ‘Fenty Beauty’ artistry beauty talk in Seoul, South Korea on September 17. Donning a chic white suit, the singer added an extra pop to her look with Anabela Chan’s Laboratory Grown diamond stud earrings and a bold red lip.

Jasmine Tookes had a regenerating evening at the La Mer and Garance Doré launch dinner for their Regenerating Serum at Garance's home in L.A. on September 17.

Ashley Benson let out her inner Ronald McDonald while at McDonald’s and Uber Eats' McDelivery Night In celebration at Chelsea Market on September 17.

After celebrating her birthday with an 80s-themed roller skating party, Taraji P. Henson went on to satifisfy her sweet tooth. The star got a poofy cotton candy balloon while enjoying a birthday brunch at Katana Chicago hosted by Guillotine Vodka.

Jordan Rodgers celebrated Mexican Independence Day the delicious way during Tequila Don Julio's "For Those Who Know" outing at Trompo Tacos in Dallas.

Joel McHale wasn't crying over spilled milk this week. The comedian showed his support for The Mooer Report, a parody investigation campaign from ‘got milk?’ in partnership with Funny Or Die and aimed at drawing attention to the many untrue myths about milk.

T-Pain used his musical talent to honor star Yankees pitcher CC Sabathia at the LegaCCy Gala at the Shed at Hudson Yards in NYC. The black-tie event saw celebs and athletes unite to pay tribute to CC’s legacy on and off the field.

Christina Aguilera made a surprise appearance at Virgin Voyages and Gareth Pugh's London Fashion Week celebration at the Royal Opera House in Covent Garden. Xtina sang for star guests like Billy Porter at the special outing while wearing Virgin Voyages' game-changing crew uniform capsule collection by Gareth.