May 21, 2011: Adele Gets 'Rolling' To No. 1

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Adele performs onstage during the Oscars held at the Dolby Theatre on February 24, 2013 in Hollywood, California.

Two years ago today, the eventual No. 1 song of 2011 reached the top of the Hot 100

On this date two years ago, Adele began a chart-topping reign that would net her the top song of the 2011 chart year, as "Rolling in the Deep" spent its first of seven weeks atop the Billboard Hot 100.

Not only would she net that honor, but she'd also go on to win a whopping 12 Billboard Music Awards at last year's festivities.

"Deep" became the first of three Hot 100 No. 1s from Adele's sophomore album "21," ahead of "Someone Like You" (the chart's first-ever all-piano-and-vocal No. 1) and "Set Fire to the Rain." "Deep" additionally topped a record 12 Nielsen BDS-based Billboard airplay charts. With sales of 7.9 million, the song is the second-best digital download in Nielsen SoundScan history, bested only by the Black Eyed Peas' "I Gotta Feeling" (8.3 million).

"21," meanwhile, crowned the Billboard 200 for 24 weeks, marking the longest reign by a woman in the chart's 57-year archives. It's sold 10.6 million copies in the U.S., according to SoundScan, reaching the 10-million-sold milestone more quickly than any album since 2001.

Adele is reportedly working on her third album, possibly due by mid-next year.

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