On Thursday, SLS officially reverted to The Sahara Las Vegas, the iconic brand that evokes Rat Pack-era hipness. The north Strip property is in the midst of a $150 million rebranding that will allow it to reconnect with its past — as well as with a Las Vegas audience for whom the name “SLS” didn’t really evoke anything at all.

The SLS Las Vegas is returning to the hotel-casino’s roots. After operating under the name SLS for five years, the property is circling back to the iconic Sahara name, starting Thursday.

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The name switch, announced by SLS Las Vegas owner Alex Meruelo in late June, marks a return to the property's roots. First opened at the north end of the Strip as the Sahara in 1952, the 240-room hotel made its name with some legendary live entertainment, featuring headliners such as Louis Prima, Frank Sinatra and the Rat Pack, Judy Garland, Lena Horne, Jack Benny, Tony Bennett, George Carlin, Liza Minnelli and Barbra Streisand, who graced the Sahara's stage in the property's heyday.