Oscars 2015 Star Shots!

Hollywood's biggest stars are sharing their Oscar moments on Instagram! First up, Jennifer Lopez gets photobombed by Jennifer Aniston and her fiance Justin Theroux. "Photo bombed by my favorite couple Jennifer and Justin #Oscars," J.Lo wrote.

Click the pics for must-see messages in celebration of the 87th Annual Academy Awards.

Lupita Nyong'o's brother Peter couldn't stop smiling when he got to pose next to Beyonce at the 2015 Vanity Fair Oscar party. "Just introduced my brother to @beyonce. What are sisters for?! @nyongolaflame @VanityFair party #Oscars," his Oscar-winning sister wrote.

Rapper/actor Common has a new pal! "I'm out but my new friend Oscar is up. He's a cool dude but he doesn't say too much. Thanks to the @theacademy for the award!" the Selma star wrote.

The Oscars were a family affair for Elton John and his husband David Furnish. The couple brought their sons, Zachary and Elijah, to Elton's renowned Oscars viewing party. "The boys stop by for a visit in the sweetest little black tie dinner suits. They are so happy to see Uncle Neil [Patrick Harris] on the big screen!! @Ejaf #Oscars," the music legend wrote.

John Legend and wife Chrissy Teigen's "bed time" included the R&B singer's Oscar statuette. Legend and rapper Common won for their Selma song "Glory."

Turns out, British pop star Rita Ora is a Scandal fan. Posing with the show's star Kerry Washington, she wrote: "I love this woman @Kerrywashington #itshandled #gladiator4eva!!!"

Khloe Kardashian represented the Kardashian/Jenner clan at the Oscars. "Loving my red gown by Lanvin!" she said of her awards show style.

John Stamos couldn't help but cop a feel while standing next to an Oscars statuette. "I found the perfect place to hide my house key during the show. #Oscars2015," the Full House star joked.

Mother Monster had a bit of a wardrobe malfunction backstage with her second Oscars dress. Lady Gaga captioned the pic: "Time for dress #2! #INeedADrink."

Former Oscar winners Jennifer Hudson and Meryl Streep posed for selfies at the Oscars. "She's just as sweet as she is gifted!" Hudson gushed. "Non other than Meryl Streep! Us clicking our Oscar heels wooooooowwwwwww! What a night!"

Oprah Winfrey's gal pal Gayle King snapped an impromptu pic of her friend in her Vera Wang custom gown. "@stedmangraham and @oprah off to Hollywood's biggest night #oscars pulling for all things @selma," she wrote.

Former 2014 Oscar winner Jared Leto was excited to return to this year's Academy Awards. Snapping a selfie on Feb. 22, he wrote: "Boo!"

Hollywood's biggest stars are sharing their Oscar moments on Instagram! First up, Lady Gaga shared a pic of her posed with the naked statuette man, writing: "Lookie NO TOUCHIE #Oscars."

Click the pics for must-see messages in celebration of the 87th Annual Academy Awards.

Foxcatcher star Channing Tatum shared a behind-the-scenes pic, writing: "Yesterday's rehearsals. Can't wait to join this talented crew on the #Oscars stage tonight! #TeamOscar #TheAcademy."

Country Crooner Tim McGraw revealed how he preps for the Academy Awards. He Instagrammed: "Here backstage. Do y'all have any #Oscars watching traditions? @theacademy."

Reese Witherspoon has a hot date to the Oscars -- her husband Jim Toth! She wrote: "The best thing to have on the red carpet is someone who loves you and supports you... (and buys you flowers.) I [heart] my #Oscars date!"

Oscars host Neil Patrick Harris is just as excited for his big gig as we are. "Hey, I know that dude! @TheAcademy," the former How I Met Your Mother star wrote upon coming across his own billboard.

Oscar nominee Common was having a great time over Academy Award weekend. The Selma star wrote on Feb. 22, 2015: "I must say that this weekend's has truly been special with more to come. Thanks yo @ciroc & @Cadillac for helping me and my @selmamovie family celebrate The Oscars! @theacademy."

Sofia Vergara and her fiance Joe Manganiello deserve an award for being so good looking! The couple showed up to an Oscars pre-party on Feb. 21, 2015, and the Modern Family vixen had to snap a pic of her and her True Blood man -- and show off her outfit.

 She wrote: "At The Night before party finally wearing my @leahdagloria dress!!! #Oscars."