Happy Birthday, Taylor Swift! The superstar, who has achieved nothing short of world domination since making her recording debut while still in her teens, turns 21 on Monday, December 13. To mark the auspicious occasion, The Boot takes a closer look at 21 of Taylor's most memorable moments on stage and off.

1. A Star Is Born

December 13, 1989

Scott and Andrea Swift celebrate the birth of daughter Taylor Alison Swift. Taylor is raised on the couple's Christmas tree farm near Reading, Pa., joined by younger brother, Austin, two years later. A natural performer from a very early age, Taylor learns her first three chords on the guitar from a repairman who visits her family's home to fix their computer. At 11, she hand-delivers her first demo CD to Nashville record labels.

Andrew Orth, Retna

2. Child Prodigy

August 31, 2005

Fifteen-year-old Taylor, who inked her first music publishing deal at 14, debuts her MySpace page, signing with upstart Nashville label Big Machine Records less than one month later. Her self-titled debut album was released in fall of 2006 and spent a whopping eight consecutive weeks on top of the country albums charts.

3. Bright Horizons

November 7, 2007

While still in high school, Taylor wins the prestigious CMA Horizon Award, exclaiming, "This is definitely the highlight of my senior year!"

Blender

4. Cover Girl

March 11, 2008

Taylor appears on the cover of Blender magazine. Two months later, she lands on the covers of Rolling Stone and Seventeen and is among those featured in People's '100 Most Beautiful' and Maxim's 'Hot 100.'

5. Teen Power Couple

August 10, 2008

Taylor takes the stage during the Jonas Brothers' Madison Square Garden concert, to perform 'Should've Said No.' She's spotted with Joe Jonas several times throughout the next few months, fueling rumors of a romance between the two young stars.

Jeff Kravitz, FilmMagic

6. Phone Break

November 11, 2008

Taylor confirms her break-up with Joe Jonas while on the 'Ellen DeGeneres Show,' telling Ellen, "I'm not even going to remember the boy who broke up with me over the phone in 25 seconds when I was eighteen."

7. Sophomore Success

November 23, 2008

Taylor's second album, 'Fearless' is released. It goes on to be the best-selling country disc of the year, on the strength of such mega-crossover hits as 'White Horse,' 'Love Story' and 'You Belong With Me.'

YouTube

8. Fade to Black

March 5, 2009

Taylor goes "goth," wearing a black wig for her TV acting debut -- and getting stabbed in the heart with scissors -- on the CBS hit 'CSI: Crime Scene Investigation.'

9. On the Bill

Apr 23, 2009

It's officially Taylor Swift Day in Evansville, Ind., as the 19-year-old receives the key to the city and kicks off her first headlining tour at Roberts Municipal Stadium.

YouTube

10. Hip-Hop 'Love'

June 8, 2009

From goth girl to gansta -- Taylor records the hilarious 'Thug Story' with rapper T-Pain. The parody of Taylor's 'Love Story' is used to open the 2009 CMT Music Awards telecast.

11. Space Cadet

June 13, 2009

At the same time she's quickly becoming a global superstar, Taylor is launched into outer space! Astronaut Timothy Kopra takes one of Taylor's albums with him on Expedition 20 to the International Space Station.

Jean Baptiste Lacroix, WireImage

12. Taylor Squared

July 30, 2009

Taylor Swift and actor Taylor Lautner are first spotted together on a Hollywood set, filming scenes for the big-screen romantic comedy 'Valentine's Day.' The two play high school sweethearts in the flick, which marks Taylor's first turn at big-screen comedy in an adorably hilarious role.

13. Over the Moon

September 13, 2009

Three days after her second album, 'Fearless,' is certified quadruple-platinum, Taylor's 'You Belong With Me' nabs the "Moonman" for Best Female Video at the MTV Video Music Awards. Taylor's acceptance speech is interrupted as rapper Kanye West storms the stage and grabs the mic, telling a shocked audience (and a speechless Taylor) that Beyoncé should have won the honor instead.

YouTube

14. Live From New York!

November 7, 2009

Taylor is guest host and musical guest on 'Saturday Night Live.' She takes on Kanye West and Joe Jonas in her humorous opening monologue, which she wrote herself.

15. CMA's MVP

November 11, 2009

Taylor nabs four CMA awards, including Entertainer of the Year. She's the youngest person (and first female act in a decade) to take the honor.

Corbis

16. Home Sweet Home of Her Own

December 24, 2009

Taylor makes a transition into adulthood, moving out of her parents' house and purchasing a 4,062-square-foot penthouse apartment in Nashville. The price tag (according to RealEstalker): a cool $1.9 million.

17. Grammy Sweep

January 31, 2010

Taylor wins four Grammy awards, as 'Fearless' is named Album of the Year and Best Country Album, 'White Horse' earns Best Country Female Vocal honors and Best Country Song.Taylor's live duet with Stevie Nicks during the show, however, is widely criticized -- then quickly defended by the head of Taylor's record label, Scott Borchetta, along with -- of course -- millions of fans.

Big Machine


18. Mine All 'Mine'

August 4, 2010

'Mine,' the first single from Taylor's highly-anticipated third album, is rush-released to radio after the song is leaked on the Internet. It debuts at No. 1 on the digital song charts and sells more than a million downloads before the full album is even out.

19. 'Innocent' Revenge

September 4, 2010

Kanye West apologizes to Taylor via Twitter for the incident at the MTV VMAs in 2009. Eight days later, Taylor performs live on the VMAs, debuting 'Innocent,' a song she wrote in response to the debacle.

WireImage


20. New Love

October 23, 2010

Taylor joins actor Jake Gyllenhaal at the broadcast of 'Saturday Night Live,' the first indication of a budding romance between the pair. The two have since been spotted together in Los Angeles, Nashville and again in New York.

21. 'Speak'-tacular

October 25, 2010

Taylor's third album is released. The disc, which she originally titles 'Enchanted,' is rechristened 'Speak Now' and sells over one million copies in its first week. Eleven tracks from the album appear on Billboard's Hot 100 all at once, giving Taylor the all-time record for most simultaneous songs by a female artist on the chart.

And in the tradition of birthdays, here's "one to grow on" as Taylor looks ahead to her 22nd year ... On February 9, 2011, she'll kick off her international Speak Now tour with her first-ever concert in Singapore.

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