Rihanna's 'Love' Her Longest-Leading Hot 100 No. 1
Rihanna's 'Love' Her Longest-Leading Hot 100 No. 1

With an eighth week atop the Billboard Hot 100 for "We Found Love," featuring Calvin Harris, Rihanna links her longest command of the list.

The song's reign bests the seven-week rules of two of her prior leaders: 2007's "Umbrella," featuring Jay-Z, and last year's "Love the Way You Lie," on which she assisted Eminem.

"Found" also takes over as the longest-leading No. 1 on the Hot 100 this year (just beating the buzzer, as this week's Billboard charts are dated Dec. 31, 2011). The song had been tied with Adele's "Rolling in the Deep" - the year's No. 1 Hot 100 song - for the chart's longest penthouse residence this year.

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Here is a look at the titles to tally the most weeks atop the Hot 100 in 2011:

8 weeks: "We Found Love," Rihanna featuring Calvin Harris
7, "Rolling in the Deep," Adele
6, "Born This Way," Lady Gaga
6, "Party Rock Anthem," LMFAO featuring Lauren Bennett & GoonRock
5, "E.T.," Katy Perry featuring Kanye West
5, "Someone Like You," Adele

The last song to top the Hot 100 for a longer span than "Found"? Ke$ha's "TiK ToK," which began a nine-week domination in January 2010. (Read on for news on Ke$ha's latest Hot 100 appearance).

"Found" remains at No. 1 on the Hot 100 by logging a fifth week atop Radio Songs with 148 million all-format audience impressions (up 1%), according to Nielsen BDS. On Digital Songs, the track holds at No. 2 for a fourth frame, after five weeks at No. 1, with 149,000 downloads sold (down less than 1%), according to Nielsen SoundScan.

Below "Found" on the Hot 100, LMFAO's "Sexy and I Know It" racks a seventh week at No. 2. The song nets a third week at the Digital Songs summit (152,000 downloads sold, up 2%), while dipping 2-3 on Radio Songs (109 million, down 2%). While it still could command the Hot 100 going forward, "Sexy" has now spent the most time peaking at No. 2 since Lady Gaga's "Bad Romance" (also seven weeks) in 2009-10.

Bruno Mars' "It Will Rain" remains at No. 3 on the Hot 100 for a fourth week, claiming Airplay Gainer honors for a third consecutive week as it jumps 4-2 on Radio Songs (111 million, up 16%). On Digital Songs, "Rain" remains at No. 4 (126,000, down 3%) after leading the list two weeks ago.

Flo Rida's "Good Feeling" rises 5-4 on the Hot 100, as its audience grows by 5% to 91 million and its digital sales gain by 1% to 126,000. The song trades places with Katy Perry's "The One That Got Away," which lifts 6-5 on Radio Songs (100 million, up 9%) and holds at No. 6 on Digital Songs (116,000, down 2%, despite its 69-cent sale pricing in the iTunes Store). The B.o.B-assisted remix of "One" was released to iTunes yesterday after arriving at radio last week.

Jay-Z and Kanye West's "Ni**as in Paris" bullets at No. 6 on the Hot 100 for a second week and Adele's former five-week No. 1 "Someone Like You" is likewise a non-mover at No. 7.

David Guetta's "Without You," featuring Usher, ascends 9-8 on the Hot 100, swapping spots with Maroon 5's former four-week leader "Moves Like Jagger," featuring Christina Aguilera (8-9). T-Pain's "5 O'Clock," featuring Wiz Khalifa and Lily Allen, rounds out the Hot 100's top 10 for a second week.

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Just outside the survey's top tier, Adele's "Set Fire to the Rain" bounds 21-13 as the Hot 100's Digital Gainer, roaring 17-7 on Digital Songs (100,000, up 75%). The latest single from "21" - Billboard's No. 1 album of 2011 - concurrently climbs 34-20 on Radio Songs (44 million, up 35%).

As teased above, Ke$ha returns to the Hot 100, as "Sleazy Remix 2.0 Get Sleazier," featuring Lil Wayne, Wiz Khalifa, T.I. & Andre 3000, re-enters at No. 38. Originally a solo track on Ke$ha's mini-LP "Cannibal," released late last year, the song first spent a week at No. 51 on the Nov. 20, 2010, Hot 100. The new version blasts back onto the chart, and Digital Songs at No. 15, with 63,000 downloads sold.

Thanks to its quartet of superstar guest rappers, "Remix 2.0" could grant Ke$ha her first notable inroads at mainstream R&B/hip-hop radio, where early major market supporters for the song include KBFB Dallas, WUSL Philadelphia and WPGC Washington, D.C. (as the track also begins at pop radio).

Check billboard.com tomorrow (Dec. 22), when all rankings, including the Hot 100 in its entirety and the Digital Songs and Radio Songs charts, will be refreshed, as they are each Thursday.