Photos: Dolly Parton shares the stage Dolly Parton turns 70 on Tuesday, January 19. The performer has had a storied singing career, both as a solo artist and in duets and groups. In fact, she essentially broke through to large audiences with Porter Wagoner, right, who gave her airtime on his TV program and recorded several duets with her. Parton wrote one of her most popular songs, "I Will Always Love You," about Wagoner. Click through the gallery for more of Parton's partners. Hide Caption 1 of 8

Photos: Dolly Parton shares the stage Parton and Kenny Rogers recorded several duets together. The first was perhaps the biggest: "Islands in the Stream." The song hit No. 1 in 1983 and topped a Country Music Television poll on duets in 2005. Hide Caption 2 of 8

Photos: Dolly Parton shares the stage Willie Nelson has sung duets with just about everybody -- including Parton. The two performed "Everything's Beautiful (In Its Own Way)" in 1982. Hide Caption 3 of 8

Photos: Dolly Parton shares the stage Parton teamed up with Linda Ronstadt, left, and Emmylou Harris to form a powerhouse trio in 1987. The album they recorded, "Trio," sold more than 4 million copies. A second "Trio" album was released in 1999. Hide Caption 4 of 8

Photos: Dolly Parton shares the stage Parton has had some unexpected partners. In 1984, she co-starred with Sylvester Stallone in the movie "Rhinestone." She plays a country singer who has to teach a cab driver to go country in two weeks. The two did a duet on the song "Sweet Lovin' Friends." Hide Caption 5 of 8

Photos: Dolly Parton shares the stage Parton had teamed with Burt Reynolds two years earlier. In "The Best Little Whorehouse in Texas," based on the hit stage musical, Parton played a madam and Reynolds played a small-town sheriff. The pair duetted on "Sneakin' Around." Hide Caption 6 of 8

Photos: Dolly Parton shares the stage Billy Ray Cyrus may be best known for "Achy Breaky Heart" (and as Miley's dad), but to Dolly fans, he's the guy who sang with her on "Romeo" in 1993. Hide Caption 7 of 8