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The dress Michelle Obama wore at the State of the Union sold out in about 20 minutes

Michelle Obama waves from her box at the State of Union on Tuesday night. (Reuters/Kevin Lamarque)

Well, that didn’t take long, did it?

The motorcade left the White House around 8:46 p.m. Tuesday for the six-minute ride up the block to the U.S. Capitol for the president’s final State of the Union address. About 10 minutes later, it was places, everyone! And that’s when the Twitterverse got its first glimpse of first lady Michelle Obama in what we know now was a “marigold” (not mustard, tangerine or coral) sleeveless Narciso Rodriguez dress.

[Michelle Obama wore a suit to the State of the Union: Why that’s unusual]

Social-media sleuths immediately searched for the sheath that launched a thousand (we’re guessing) Tweets.

By 9:41 p.m., Washington journo Kate Bennett, former fashion editor at Washingtonian magazine and current White House correspondent for the Independent Journal, found it on sale at Neiman Marcus.

The dress was marked down to $628 from $2,095, a discount of nearly 70 percent. But before fashion followers could check their bank accounts, it sold out. In 20 minutes. Don’t blame it on the first-lady bump just yet though — the dress, a part of Rodriguez’s Fall 2015 collection, has been in stores for some time and on sale since August. There could have been two frocks in stock or 20.

Still, the flurry of tweets about the dress proves that Michelle Obama’s fashion choices continue to spark equally intense debates (seriously, people argued over the color of the gown for an hour) and adoration.