GALLERY: 8 Iconic Britney Spears Moments

LAS VEGAS, NEVADA – OCTOBER 18: Singer Britney Spears attends the announcement of her new residency, “Britney: Domination” at Park MGM on October 18, 2018 in Las Vegas, Nevada. Spears will perform 32 shows at Park Theater at Park MGM starting in February 2019. (Photo by Ethan Miller/Getty Images)

(Photo by Ethan Miller/Getty Images)

Britney Spears is only 38 years old, but she is one of the most successful artists in pop music for half of her life. In her 20 plus years in the industry, she has released several hits, she has created trends, and has been a household name for two decades. Even though her career has had a number of ups and downs, she's always come out on top.

For her 38th birthday, let's take a look back at some of the singer's most iconic moments.

GALLERY: 8 Iconic Britney Spears Moments

(Photo by Pascal Le Segretain/Getty Images)

1. That time she got married to her high school sweetheart, Jason Alexander, in Las Vegas. The marriage only lasted 55 hours, but it will be remembered forever.

GALLERY: 8 Iconic Britney Spears Moments

(Photo by Bruno Vincent/Getty Images)

2. When Britney, along with Beyonce and Pink, appeared in the "We Will Rock You" Pepsi commercial. Girl power, indeed.

GALLERY: 8 Iconic Britney Spears Moments

Photo by Scott Gries/ImageDirect

3. When Britney, Justin Timberlake, Steven Tyler, and Nelly graced the stage during MTV's Superbowl halftime show

GALLERY: 8 Iconic Britney Spears Moments

Photographer: Scott Gries/ImageDirect

4. Britney Spears performing "I Can't Get No Satisfaction" onstage at the 2000 MTV Video Music Awards. That nude bodysuit will never be forgotten.

GALLERY: 8 Iconic Britney Spears Moments

(Photo by Ethan Miller/Getty Images)

5. When Britney Spears announced her residency, "Britney: Domination" in Las Vegas, Nevada.

GALLERY: 8 Iconic Britney Spears Moments

(Photo by Kevin Winter/Getty Images)

6. After a tumultuous 2007, Britney Spears performed "Gimme More" on stage during the 2007 MTV Video Music Awards. It wasn't her best performance, but she's showed the world that she was gearing up for a comeback.

GALLERY: 8 Iconic Britney Spears Moments

(Photo by Frank Micelotta/Getty Images)

7. Yes, Britney Spears, Madonna and Christina Aguilera performed during the 2003 MTV Video Music Awards, but no one remembers it that way. They remember Britney and Madonna kissing, and then the camera awkwardly panning to ex Justin Timberlake's stoic face.