Happy Birthday, Serena Williams!

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Venus vs. Serena Williams through the years
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Happy Birthday, Serena Williams!
Venus Williams, left, and sister Serena raise their arms after their center court match at the Australian Open Tennis Championships in Melbourne, Australia, Wednesday, January 21, 1998. Venus won the match 7-6, 6-1. (AP Photo/Rick Stevens)
American Venus Williams, left, and sister Serena of Palm Beach Gardens, Fl., confer during a women's doubles match against Erika DeLone and Liezel Horn at the Australian Open Tennis Championships in Melbourne, Australia, Thursday, January 22, 1998. Williams won 6-4, 6-2. (AP Photo/Steve Holland)
Serena Williams of the USA lifts up the winners cup after her final match vs. sister Venus Williams at the International Tennis Grand Slam Cup in Munich s Olympic hall, Sunday, October 3, 1999. Serena defeated her sister 6-1, 3-6, 6-4. (AP Photo/Uwe Lein)
Venus Williams, left, watches her sister Serena during the winners ceremony after their final match at the International Tennis Grand Slam Cup in Munich's Olympic hall, Sunday, October 3, 1999. Serena defeated her sister Venus 6-1,3-6, 6-4. (AP Photo/Uwe Lein)
Venus Williams, of Palm Beach Ggardens, Fla., reaches for a return to her sister, Serena, during their women's singles semifinal match at Wimbledon, Thursday July 6, 2000. Venus won 6-4, 7-6 (7-3). (AP Photo/Adam Butler, Pool)
Serena Williams, of Palm Beach Gardens, Fla., returns to her sister, Venus, during their semi-final match on the Centre Court at Wimbledon, Thursday July 6, 2000. (AP Photo/Dave Caulkin)
Venus Williams, left, reaches to shake the hand of her sister, Serena, after Venus won their semifinal match at Wimbledon Thursday July 6, 2000. Venus won 6-4, 7-6 (3). (AP Photo/Jytte Nielsen)
Venus Williams, right, poses with the women's singles championship trophy as her sister, Serena, applauds during the trophy ceremony after Venus defeated Serena in the womens singles final at the U.S. Oopen in New York Saturday Sept. 8, 2001. (AP Photo/Kathy Willens)
Serena Williams makes a return against her sister, Venus, during the women's final at the U.S. Open tennis tournament in New York Saturday Sept. 7, 2002. (AP Photo/Amy Sancetta)
Serena Williams, right, holds up her trophy after defeating sister Venus Williams, left, 6-4, 6-3 in the women's final at the US Open Saturday, Sept. 7, 2002 in New York. (AP Photo/Richard Drew)
Venus Williams attempts a return to her sister Serena during the Women's Singles final on the Centre Court, at the All England Lawn Tennis Championships at Wimbledon, Saturday July 5, 2003. (AP Photo/Anja Niedringhaus)
Serena, left, and Venus Williams congratulate each other, after defeating Alicia Molik and Samantha Stosur of Austria, in their Women's Doubles, second round match, on the seventh day of the All England Lawn Tennis Championships at Wimbledon, Monday June 30, 2003.(AP Photo/Sang Tan)
Venus Williams of the United States, facing camera, celebrates with her sister Serena after their women's doubles final victory by 4-6, 6-4, 6-3 against Paola Suarez from Argentina and Virginia Ruano Pascual from Spain at the Australian Open Tennis Tournament in Melbourne, Friday, Jan. 24, 2003. (AP Photo/Rick Stevens)
Venus, left, and her sister Serena Williams of the United States wave to the crowd after winning the women's doubles final against Virginia Ruano Pascual of Spain and Paola Suarez of Argentina at the Australian Open Tennis Tournament in Melbourne, Friday, Jan. 24, 2003. The Williams sister won the match 4-6, 6-4, 6-3. (AP Photo/Mike Fiala)
Venus Williams, left, walks away after winning a point as Serena Williams reacts in the background during their match at the US Open tennis tournament in New York, Sunday, Sept. 4, 2005. Venus Williams won, 7-6 (5), 6-2. (AP Photo/Amy Sancetta)
Serena Williams, of the United States, reacts during her match against Venus Williams, of the United States, at the US Open tennis tournament in New York, Sunday, Sept. 4, 2005. (AP Photo/Elise Amendola)
Serena Williams, of the United States, returns to Venus Williams, of the United States, at the US Open tennis tournament in New York, Sunday, Sept. 4, 2005. (AP Photo/Elise Amendola)
Venus Williams of the United States, right, goes to put her arm around her sister, Serena Williams of the United States, at the conclusion of their match at the US Open tennis tournament in New York, Sunday Sept. 4, 2005. Venus Williams won 7-6 (5), 6-2. (AP Photo/Elise Amendola)
U.S. Venus Williams celebrates after she beats her sister Serena Williams 5-7, 6-1, 6-0 during the third day of Sony Ericsson WTA Tennis Championship in Doha, Qatar, Thursday Nov. 6, 2008. (AP Photo/Kamran Jebreili)
Venus Williams, left, and her sister Serena from the USA are seen during their first round double match against Daniela Hantuchova from Slovakia and Agnes Szavay from Hungary at the Porsche Grand Prix tennis tournament in Stuttgart, Germany, Monday, Sept. 29, 2008. (AP Photo/Thomas Kienzle)
Serena Williams, left, and her sister Venus from the USA are seen during their first round double match against Daniela Hantuchova from Slovakia and Agnes Szavay from Hungary at the Porsche Grand Prix tennis tournament in Stuttgart, Germany, Monday, Sept. 29, 2008. (AP Photo/Thomas Kienzle)
Venus Williams of the U.S. in action in the women's singles final against her sister Serena on the Centre Court at Wimbledon, Saturday, July 5 , 2008. (AP Photo/Anja Niedringhaus)
Serena Williams returns to her sister Venus, during the Women's Singles final on the Centre Court at Wimbledon, Saturday, July 5, 2008. (AP Photo/Alastair Grant)
Venus Williams of the US in action in the women's singles final against her sister Serena on the Centre Court at Wimbledon, Saturday, July 5 , 2008. (AP Photo/Glyn Kirk,pool)
Venus Williams embraces her sister Serena, after defeating her to win the Women's Singles Championship on the Centre Court at Wimbledon, Saturday, July 5, 2008. (AP Photo/Alastair Grant)
Venus Williams of the US reacts after winning the women's singles final against her sister Serena on the Centre Court at Wimbledon, Saturday, July 5 , 2008. (AP Photo/Anja Niedringhaus)
Serena Williams holds her head during the Women's Singles final against her sister Venus on the Centre Court at Wimbledon, Saturday, July 5, 2008. (AP Photo/Alastair Grant)
Venus Williams of the United States returns to Serena Williams of the United States during their singles final at the WTA Tennis Championships, in Doha, Qatar Sunday, Nov. 1, 2009. (AP Photo/Kirsty Wigglesworth)
Serena Williams of the United States reacts during her singles match against sister Venus Williams of the United States at the WTA Tennis Championships, in Doha, Qatar Wednesday, Oct. 28, 2009. (AP Photo/Kirsty Wigglesworth)
Serena Williams of the United States, left, shakes hands with her sister Venus Williams of the United States, right, after Serena won their singles match at the WTA Tennis Championships, in Doha, Qatar Wednesday, Oct. 28, 2009. (AP Photo/Kirsty Wigglesworth)
Serena Williams hits a forehand shot during a semifinal match against her sister Venus Williams at the Family Circle Cup tennis tournament in Charleston, S.C., Saturday, April 6, 2013. Serena won 6-1, 6-2. (AP Photo/Stephen Morton)
Venus Williams hits a forehand shot during a semifinal match against her sister Serena Williams at the Family Circle Cup tennis tournament in Charleston, S.C., Saturday, April 6, 2013. Serena won 6-1, 6-2. (AP Photo/Stephen Morton)
LONDON, ENGLAND - JULY 06: Serena Williams of the United States serves in her Ladies' Singles Fourth Round match against Venus Williams of the United States during day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 6, 2015 in London, England. (Photo by Carl Court/Getty Images)
LONDON, ENGLAND - JULY 06: Venus Williams of the United States plays a forehand in her Ladies' Singles Fourth Round match against Serena Williams of the United States during day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 6, 2015 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 06: Serena Williams of the United States serves in her Ladies' Singles Fourth Round match against Venus Williams of the United States during day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 6, 2015 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 06: Serena Williams of the United States hugs Venus Williams of the United States after their Ladies' Singles Fourth Round match during day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 6, 2015 in London, England. (Photo by Julian Finney/Getty Images)
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On her 34th birthday, we're taking the time to honor one of the most dominant athletes of all time: Serena Williams.

Despite a premature exit from this month's U.S. Open, Serena is coming off one of the more amazing stretches of her career. She was a U.S. Open victory away from winning all four Grand Slams of the season -- something Steffi Graf last accomplished in 1988.

Still, Williams won the four previous Grand Slams in the calendar year leading up to the event. At 33, she put together one of her best campaigns yet. And there's every indication that more is to follow at 34.

Click through the gallery above to see the best highlights of Serena's career matches versus her sister Venus, and watch the video below to learn more about her newest venture into the fashion world.
Serena Williams: U.S. Open Match Was not a Loss, HSN Collection

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