Ever since her debut album ...Baby One More Time was released back in 1999, Britney Spears has been serving us with great songs, amazing highly-choreographed performances, and music videos that we had on repeat 24/7.

With six #1 albums on the Billboard 200 chart and four #1 songs on the Billboard Hot 100, Britney Spears is considered one of the best-selling and most successful singers ever.

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Her career, just like her personal life, had many ups and downs, but in this article, we're going to stay on the positive side of things, so we'll focus on some of Britney Spears' biggest career achievements!

10 'Baby One More Time' Is One Of The Best-Selling Albums Ever

Britney Spears' debut album ...Baby One More Time was released back in 1999 and it was a huge success. True, the critics back then weren't that amazed by it — the album received mostly mixed reviews — but the audience loved it. ...Baby One More Time sold over 25 million copies worldwide and became one of the best-selling albums ever.

9 The Single "...Baby One More Time" Went #1 In Every Country It Charted In

With over 10 million copies sold, Britney's debut single, ...Baby One More Time, became one of the best-selling songs of all time. Not only that, but the song also went number one in every country it charted in — that's over twenty #1s. And of course, we have to mention how iconic that music video was. It certainly was and still remains one of the most memorable videos in pop music.

8 She Won the MTV's Michael Jackson Video Vanguard Award

MTV's Michael Jackson Video Vanguard Award is given to artists with extraordinary accomplishments in their careers, to those who heavily influenced pop culture, artists such as, David Bowie, Madonna, and Beyoncé. So it shouldn't come as a surprise that MTV awarded Britney with it as well. Her iconic performances and interesting music videos have definitely left an impact worth of this award.

7 She Even Got Her Own Holiday

In order to celebrate and honor Britney Spears and the impact her concert residency Britney: Piece of Me left on Las Vegas,  Caesars Entertainment gave our Princess of Pop a symbolic key to the Las Vegas Strip, as well as her on holiday — Britney Day (November 5, 2014). But if you ask us, every day should be a Britney day!

6 She Starred In A 2002 Teen Drama 'Crossroads'

Crossroads is a 2002 teen drama that follows three childhood friends as they go on a road trip and rebuild their friendship after drifting apart.

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The movie was written by Shonda Rhimes and it stars Britney Spears, Zoe Saldana, and Taryn Manning. And even though critics weren't feeling the movie, her fans loved it.

5 Her Album 'Blackout' Was Added To The Rock and Roll Hall Of Fame's Music Library

Britney's 2007 album Blackout was not only a critically acclaimed masterpiece, but it was also a commercial success — it sold over a million copies in the US. In addition, Blackout was also added to the Rock and Roll Hall of Fame's music library and archives, which is "the most comprehensive repository of material relating to the history of rock and roll".

4 She Had A Successful Comeback After Breakdown

Speaking of Blackout, can we just take a moment to acknowledge how Britney was able to release such a good album and have a strong comeback right after all that she went through. The album, which sold over 3 million copies worldwide, is often considered one of her best ones.

3 Britney Has Her Own Very Successful Line of Fragrances

Back in 2004, Britney Spears teamed up with Elizabeth Arden and came up with her own line of fragrances. Needless to say, her fragrance business was a great move — it grossed over $1.5 billion worldwide. Her first perfume, "Curious" had sold over 500 million bottles, making it one of the best-selling celebrity fragrances ever.

2 Her 2001 VMA Performance Remains Iconic

Throughout her career, Britney always gave us great performances. One of her most memorable ones and definitely a career highlight is from the 2001 MTV VMAs, where she performed "I'm a Slave 4 U" while carrying a giant albino snake.

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The snake, whose name was Banana, by the way, became an instant hit sensation, it even has a Tumblr page.

1 Youngest Artist To Get A Star On The Hollywood Walk of Fame

Getting a star on the Hollywood Walk of Fame is a major achievement and career goal for any celeb. Unlike many celebrities who had to wait years to get their star, Britney got it pretty early in her career, when she was 21 years old — only 5 years after her debut single came out — making her the youngest singer to get their own star. Incredible!

Next: 10 Of Rihanna's Biggest Career Achievements