Lily Allen returned to the Saturday Night Live stage after nearly 19 years away with two performances from her latest pop album, West End Girl .

Allen, an SNL musical guest in early 2007, opened with “Sleepwalking,” the third entry on the track list.

Rooted in her separation from Stranger Things actor David Harbour, West End Girl finds the British singer-songwriter “taking a brutal inventory of the scars she amassed while her marriage was falling apart,” Rolling Stone ‘s Maura Johnston wrote in a positive review .

Allen said the trouble in her personal life ended up pulling her out of a bout of writer’s block.

“I thought I didn’t have any good songs left,” Allen, 40, told The Times upon the album’s October release. “My writing had been really bad and it too

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