On the 6: 15 Years of J.Lo’s Best Hits!

Can you believe it's been 15 years since Jennifer Lopez released her debut album On the 6? The 44-year-old megastar is now preparing to drop her eighth studio album, 10th album altogether, A.K.A. which will be hitting stores on June 17. In honor of Lopez's decade and a half long music career, we're taking a look at some of her biggest hits from 1999-2014. Enjoy!

1. If You Had My Love

Song: "If You Had My Love"

Album: On the 6

Year: 1999

Jennifer Lopez's debut single "If You Had My Love" off her debut studio album, On The 6, was released on May 15, 1999 and reached the #1 spot on Billboard's Hot 100 on June 12, 1999.

2. Waiting for Tonight

Song: "Waiting for Tonight"

Album: On the 6

Year: 1999

The second single off J.Lo's debut album, "Waiting for Tonight" was released in November 1999 and is recognized as one of her signature songs. The song peaked at #8 on Billboard's Hot 100 in December 1999. "Waiting for Tonight" earned Lopez her second success on the Billboard charts and has been considered her best song and music video.

3. No Me Ames

Song: "No Me Ames"

Album: On the 6

Year: 1999

A duet with ex-husband Marc Anthony, "No Me Ames" was released as a B-side single to "If You Had My Love" on May 11, 1999. The song was recorded as two versions: a balad and a salsa. "No Me Ames" peaked at #1 in the Billboard Hot Latin Songs chart and it received a Latin Grammy nomination for "Best Pop Performance by a Duo/Group with Vocals".

4. Let's Get Loud

Song: "Let's Get Loud"

Album: On the 6

Year: 1999

Off her debut album, "Let's Get Loud" was written by Gloria Estefan. The song gained high popularity around the globe and earned Lopez her second consecutive nomination for the Grammy Award for Best Dance Recording. J.Lo performed and recorded the video for "Let's Get Loud" during the 1999 FIFA Women's World Cup at the Rose Bowl in Pasadena, California.

5. Love Don't Cost a Thing

Song: "Love Don't Cost a Thing"

Album: J.Lo

Year: 2001

"Love Don't Cost A Thing" was the first single off Lopez's sophomore album J.Lo. The song peaked at #3 on the Billboard Hot 100 chart on February 24, 2001.

6. Play

Song: "Play"

Album: J.Lo

Year: 2001

One of the writers and background vocalists for "Play" was Christina Milian. The song was the second single off J.Lo's sophomore album and it was a commercial success, peaking at #18 on the Billboard Hot 100 chart.

7. I'm Real

Song: "I'm Real (Remix)" ft. Ja Rule

Album: J to tha L-O! The Remixes

Year: 2001

The remix to Lopez's "I'm Real" off her second album J.Lo featured rapper Ja Rule and peaked at #1 on Billboard's Hot 100 on September 8, 2001.

8. Ain't It Funny

Song: "Ain't It Funny"

Album: J.Lo

Year: 2001

Despite mixed reviews from critics, Lopez's "Ain't It Funny" was an international commercial success, peaking within the top ten on the charts in multiple countries.

9. I'm Gonna Be Alright

Song: "I'm Gonna Be Alright" ft. Nas

Album: J to tha L-O! The Remixes

Year: 2002

The version of "I'm Gonna Be Alright" featuring rapper Nas was pretty much the song of the summer in 2002. J.Lo's song peaked at #10 on the Billboard Hot 100, becoming Lopez's sixth U.S. top ten single.

10. Jenny from the Block

Song: "Jenny from the Block"

Album: This is Me...Then

Year: 2002

Off Lopez's third studio album, "Jenny From The Block" peaked at #3 on Billboard's Hot 100 and featured J.Lo's then boyfriend Ben Affleck in the music video.

11. All I Have

Song: "All I Have" ft. LL Cool J

Album: This is Me...Then

Year: 2002

"All I Have" was a huge commercial success! The song reached #1 on the Billboard Hot 100 charts and stayed there for four weeks, was ranked as the 15th most successful song on the Billboard Hot 100 of 2003.

12. Get Right

Song: "Get Right"

Album: Rebirth

Year: 2005

Off J.Lo's fourth studio album, "Get Right" topped the UK Singles Chart and peaked at #12 on the Billboard Hot 100.

13. Qué Hiciste

Song: "Qué Hiciste"

Album: Como Ama una Mujer

Year: 2007

With the help of Marc Anthony, Lopez released her fifth studio album and first Spanish-language album in 2007. "Que Hiciste" became her first single off the album and became her first Spanish-language song to chart on Billboard Hot 100, reaching a peak position of eighty-six. It also peaked atop of Billboard's Hot Dance Club Play and Hot Latin Tracks charts. Lopez performed "Qué Hiciste" on American Idol on April 11, 2007, becoming the first artist ever to perform a Spanish song on the show.

14. On the Floor

Song: "On the Floor" ft. Pitbull

Album: Love?

Year: 2011

When J.Lo released "On The Floor," critics compared it to her early singles "If You Had My Love" and "Waiting for Tonight." The song is Lopez's most successful single to date, topping more than twenty national single charts. "On the Floor" has sold over three million copies, earning a triple platinum certification by the Recording Industry Association of America (RIAA), and peaked at #3 on the Billboard's Hot 100 on May 21, 2011.

15. Papi

Song: "Papi"

Album: Love?

Year: 2011

J.Lo's dance hit "Papi" became the singer's 11th number one single on the Billboard Hot Dance Club Songs Chart.

16. First Love

Song: "First Love"

Album: A.K.A.

Year: 2014

J.Lo's new single "First Love" off her upcoming 10th album has been popular among critics and reached #11 on Billboard's Social 50 chart and #27 on the Billboard Top 40.