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 Rihanna is giving Madonna a run for her money. The 25-year-old singer is approaching the 54-year-old industry veteran's record for the most No. 1 songs on Billboard's Dance/Club Play Songs chart. 
 
 Rihanna's recent hit "Right Now" topped the dance chart this week, giving Rih her 20th No. 1 song in the category, according to Billboard. Rih beat out Janet Jackson with this total, who was formerly in second place with 19 entries on the chart. With hits including "Pon De Replay," "Only Girl (In the World)," and "We Found Love," Rihanna now holds the number two spot, only falling behind Madonna. 
 
 Madonna shouldn't be too worried -- the iconic pop star currently holds the title for most No. 1 songs on the dance chart with 43, more than double Rihanna's take. While Rihanna nabbed her first No. 1 for the category in 2005, Madonna charted her first dance hit in 1983. 
 
 In typical Rihanna-style, the singer could be seen wearing highly risque getups celebrating Crop Over festivities in Barbados. There's no indication that she was celebrating her new second-place title, but the accolade certainly couldn't have detracted from the joyous mood. 
 
 For more on Rihanna, head over to Billboard. ||||| Passing Janet Jackson, Rihanna now trails only Madonna for the all-time chart record. 
 
 Rihanna's latest No. 1 smash on Dance/Club Play Songs, "Right Now," is a special one. It marks her 20th No. 1 on the chart, putting her alone in second place for the most No. 1s in the 37-year history of the chart. 
 
 She steps ahead of Janet Jackson, who has 19 leaders. Rihanna trails only Madonna, with 43 No. 1s. The new Dance/Club Play Songs chart, where Rihanna is No. 1, will appear on Billboard.com this Thursday (Aug. 8). 
 
 Rihanna's 20 No. 1s were collected in less than a decade, starting with her debut single "Pon De Replay" on Oct. 8, 2005 -- less than eight years ago. 
 
 "Right Now," which features David Guetta, hits the top in its sweet 16th week on the chart. It ties for the longest climb to No. 1 this century, matching the slow rises of Rihanna's own "Where Have You Been" (June 9, 2012) and Blaze Presents U.D.A.U.F.L. featuring Barbara Tucker's "Most Precious Love" (June 4, 2005). 
 
 "Right Now" debuted at No. 50 on the chart in early February, shortly following the release of Rihanna's "Unapologetic" album last November. "Right Now" hung out in the lower region of the chart for 10 weeks, peaking at No. 33, until it fell off the chart in late April. 
 
 Then, when official remixes of "Right Now" were released and promoted to club DJs last month, the track re-entered the chart at No. 44. It jumped to No. 1 six weeks later. 
 
 "Right Now" was remixed for club floors by the likes of by Dyro, Sick Individuals, Justin Prime and Ralphi Rosario. 
 
 "Where Have You Been" followed a similar trajectory last year. It also debuted in early February as DJs gave it unsolicited play it after the "Talk That Talk" album release. "Where" charted from January through April of 2012, and then returned to the chart in May after it was promoted as an official single. 
 
 Here is a recap of Rihanna's now 20 Dance/Club Play Songs No. 1s: 
 
 Title, Chart Date Reached No. 1 
 
 "Pon De Replay," Oct. 8, 2005 
 
 "SOS," May 13, 2006 
 
 "Unfaithful," July 29, 2006 
 
 "We Ride," Feb. 3, 2007 
 
 "Umbrella" (featuring Jay-Z), July 7, 2007 (two weeks at No. 1) 
 
 "Don't Stop the Music," Sept. 8, 2007 
 
 "Shut Up and Drive," Dec. 8, 2007 
 
 "Disturbia," Sept. 13, 2008 
 
 "Russian Roulette," Feb. 20, 2010 
 
 "Hard" (featuring Jezzy), March 6, 2010 
 
 "Rude Boy," May 15, 2010 
 
 "Only Girl (In the World)," Nov. 13, 2010 
 
 "Who's That Chick?" (David Guetta featuring Rihanna), Feb. 2, 2011 
 
 "S&M," April 2, 2011 
 
 "California King Bed," Sept. 24, 2011 
 
 "We Found Love" (featuring Calvin Harris), Nov. 19, 2011 (two weeks) 
 
 "You Da One," Feb. 18, 2012 
 
 "Where Have You Been," June 9, 2012 
 
 "Diamonds," Dec. 15, 2012 
 
 "Right Now" (featuring David Guetta), Aug. 17, 2013
– Kids these days ... no respect for their elders. Rihanna has officially swooped in and stolen Janet Jackson's No. 2 spot on Billboard's Dance/Club Play Songs chart. "Right Now" marks Rihanna's 20th No. 1 hit, bumping her in front of Jackson and her 19 top songs. Up next: Grabbing the crown from Madonna. On its face, that's no easy feat, as Madonna has racked up 43 such songs in the chart's 37-year history. But Billboard points out that Rihanna has amassed her 20 songs in just a hair less than eight years. Madonna, for her part, topped the chart for the first time in 1983, reports the Huffington Post.