Star-studded events are far from predictable, but there's one thing that's practically guaranteed: photobombs! Most recently, Jared Leto popped up behind Diane Kruger for a hilarious red carpet surprise, and Benedict Cumberbatch really went for it when Meryl Streep participated in Margaret Cho's controversial bit at the 2015 Golden Globes, giving us one of several GIF-worthy moments from the show. Emma Stone, Andrew Garfield, and Jennifer Lawrence have also perfected the art of jumping in other people's shots, and that's just the beginning of the excitement. Keep reading to see stars execute hilarious photobombs over the years, and if you're loving the surprises, check out unexpected celebrity selfie duos.Source: NBC, Getty, Reddit user TreasureTrolls and Instagram user ryanseacrest
As Diane Kruger struck a pose for photographers at the 2015 LACMA Art + Film Gala, photobomb extraordinaire Jared Leto playfully hopped in the background for a funny surprise.
50 Cent's selfie with model Naomi Campbell would've been cute on its own, but Leonardo DiCaprio's casual photobomb at a party in 2015 makes it pure gold.
Taylor Swift got an unforgettable surprise on live TV at the 2014 Golden Globes, all thanks to Jennifer's lack of inhibitions.
Benedict soared to new heights when he got in U2's spotlight at the 2014 Oscars.
The singer made a fan's dream come true when she got in her selfie in 2013.
Harry might be all the way in the back, but you can't miss him in this snap from the 2013 Commonwealth Games. He managed to get in between rugby star Gordon Tietjens and boxer Trevor Shailer.
When a fan tried to take a selfie that clearly captured Emma Stone and Andrew Garfield in the background at a restaurant, the actors decided to give her way more than she expected. The image went viral in January 2015.
Ellen DeGeneres and Portia de Rossi were posing for a cute couple's picture at the 2013 Grammys when Kelly leaned to her left with an open smile.
Jesse was a ball of energy behind Miranda Kerr and Orlando Bloom at the Vanity Fair Oscars party in 2013.
Cameron and Jimmy gave two tourists a frame-worthy picture in NYC in April 2014.
Justin Bieber and Kesha were just striking pop-star poses backstage at the 2010 Grammys rehearsals when the Beatles icon flashed the peace sign behind them.
Not even Sarah Jessica Parker's extravagant headpiece could block Jennifer at the 2013 Met Gala.
William got a good laugh out of photobombing cyclist Chris Hoy at the Commonwealth Games in 2013.
This bride and groom's wedding picture included a smiley Zach, who, in his defense, was just trying to cross the street in NYC in 2013.
Anne Hathaway didn't see Jared coming at Vanity Fair's 2014 Oscars bash.
Benedict proved he's the photobomb king when he got in on Meryl Streep and Margaret Cho's shot at the fun-filled 2015 Golden Globes.
George's shenanigans go beyond the sets of his movies. He photobombed Steven Spielberg and Jessica and Jerry Seinfeld in 2013.
The queen had flawless placement when two Australian athletes were taking selfies together at the Commonwealth Games in 2013.
Emma got hilarious when she got mere inches away from her boyfriend, Andrew Garfield, in 2013.
Technically, Ellen videobombed Leonardo DiCaprio and Sandra Bullock at the 2014 Oscars.
Rihanna's duck face popped up as the Full House guys — John Stamos, Dave Coulier, and Bob Saget — took a selfie at Good Morning America in January 2014.
Lupita got animated behind fellow Oscar winners Jared Leto and Matthew McConaughey backstage at the 2014 award show.