It's a blast from Teen Choice Awards past! You might not even recognize some of your favorite stars from previous years of the annual youth-skewing award show, which has been going strong since 1999. In honor of the 2018 edition on Aug. 12, Wonderwall.com is taking a look back at Gwen Stefani, David Beckham, Miley Cyrus and more celebs who've attended over the years, starting with this shot of Paris Hilton and Nicole Richie during the 2004 Teen Choice Awards. Now keep reading for more super-retro pics!
Hey baby, hey baby, hey! Check out the trucker hat, crop top and matching homemade fingerless glove Gwen Stefani wore to the 2001 Teen Choice Awards.
RELATED: Teen idols: Where are they now?
David Beckham looked hotter than ever at the 2010 Teen Choice Awards. Do you think he can bend it like Beckham on his surfboard?
Oh, wow! Miley Cyrus looked so young and innocent at the 2007 Teen Choice Awards. Things have definitely changed.
"Cruel Intentions" co-stars Reese Witherspoon and Selma Blair kept close at the 2002 Teen Choice Awards. Cute!
What do we have to say about this Christina Aguilera ensemble? We really have no words. The "Genie in a Bottle" singer certainly stood out at the very first Teen Choice Awards in 1999.
Rihanna had to balance not one but two surfboard trophies at the 2006 Teen Choice Awards, during which she donned a purple bubble-hem dress — one of the year's hottest trends!
Eva Longoria wore a silky mint frock to the 2008 Teen Choice Awards. Remember how popular lingerie-inspired looks were that year?
Ryan Gosling cozied up to his "The Notebook" co-star and then-girlfriend Rachel McAdams during the 2005 Teen Choice Awards.
Is that Lizzy McGuire? Nope, it's just Hilary Duff, who looked like her former Disney alter ego at the 2003 Teen Choice Awards.
So 2002! Jennifer Love Hewitt wore brown leather pants and a skinny scarf to the 2002 Teen Choice Awards. Was that really in style back then?
Isn't it crazy how much fashion changes over the years? Just check out Sandra Bullock's now-dated gray dress from the 2001 Teen Choice Awards.
Jennifer Lopez rocked (gasp!) athletic pants to the 2001 Teen Choice Awards, where she picked up two surfboard trophies.
Mariah Carey showed off her toned tummy in a midriff-baring tee and low-rise short shorts while performing during the 2008 Teen Choice Awards.
Check out Britney Spears back in the day! The pop star wore a fringe dress and lace-up heels to the 2001 Teen Choice Awards.
Kim Kardashian West went for a retro look in a pretty A-line dress during the 2008 Teen Choice Awards. Her style has really evolved since then, right?!
Jennifer Garner rocked a super-casual ensemble — a spaghetti-strap tank and jeans — to the 2004 Teen Choice Awards.
Around the time she was shooting her role as Joan Jett in "The Runaways," Kristen Stewart sported a rock 'n' roll-ready ensemble to the 2009 Teen Choice Awards.
Jim Carrey looked mischievous at the 2005 Teen Choice Awards.
What in the world was Jessica Alba wearing at the 2004 Teen Choice Awards? We're speechless.
Nick Carter and Aaron Carter showed their brotherly love at the 2001 Teen Choice Awards.
A bearded Ryan Reynolds raised temperatures during the 2007 Teen Choice Awards.
Remember when The Rock had hair?! Dwayne Johnson sported a denim-on-denim ensemble while posing with a surfboard during the 2001 Teen Choice Awards.
Is that really Hayden Panettiere?! The "Nashville" actress looked so different back at the 2008 Teen Choice Awards.
We can't forget Pink's signature hair color! Her magenta pixie cut stood out when she wore an all-black ensemble to the 2000 Teen Choice Awards.
What a beauty! Eva Mendes looked stunning in a strapless dress during the 2008 Teen Choice Awards. She hasn't changed a bit!
A tanned Jessica Simpson channeled Goldilocks with big blond curls during the 2006 Teen Choice Awards. So pretty!
Justin Bieber looked too cool for school when he wore a big pair of shades to the 2012 Teen Choice Awards.
Blake Lively blew everyone away in an orange Gucci dress during the 2011 Teen Choice Awards. Fierce!
The way they were! Then-couple Channing Tatum and Jenna Dewan got close at the 2010 Teen Choice Awards.
A demure Taylor Swift looked so cute in a Maria Lucia Hohan frock while posing with her surfboard during the 2012 Teen Choice Awards.
We love old-school Usher! The "Confessions" singer flashed a big smile in the press room at the 2003 Teen Choice Awards.
Check out those gams! Blonde beauty Cameron Diaz showed off her long legs in a strapless mini during the 2011 Teen Choice Awards.
Kerry Washington wore a fun Stella McCartney dress to the 2013 Teen Choice Awards. There was nothing scandalous about it!
Aww! The Jonas Brothers looked so young at the 2008 Teen Choice Awards. Time flies!
Look at baby Jaden Smith during the 2008 Teen Choice Awards! He came to the show with his pop, Will Smith, and big brother, Trey Smith.
Lily Collins' palm tree frock was one for the books. She stood out in the high-low number during the 2013 Teen Choice Awards.
Zooey Deschanel showed off her signature adorkable sense of style in a long-sleeved dress with a big black bow at the collar during the 2006 Teen Choice Awards. Because it was 2006, she also donned black tights.
Those accessories! Ashton Kutcher topped off his look with a black fedora and an oversized cross pendant during the 2003 Teen Choice Awards.
It girl Megan Fox posed with her surfboard prize during the 2009 Teen Choice Awards.
A brunette Chloe Grace Moretz donned an off-the-shoulder, curve-hugging mini during the 2013 Teen Choice Awards.