‘Sunset Boulevard’ actress had never seen a Broadway show before she starred in one

“Sunset Boulevard” character Grace Hodgett Young starred successful a Broadway show earlier she ever saw 1 herself.

After 5 months of performing six days a week successful nan philharmonic The Post called “Broadway’s astir exhilarating show successful years,” she yet sewage to acquisition what it’s for illustration to beryllium successful nan assemblage connected nan Great White Way.

“I know, it’s crazy . . . I couldn’t judge I made my Broadway debut earlier seeing my first Broadway show,” Young, 22, told The Post.

“I saw my first, which was ‘Smash,’ past Monday.”

The autochthonal of Nottingham, England, said she was “utterly inspired” by nan quintessential Big Apple moment.

“Taking a nighttime to spell to nan theatre is truthful f–king exciting,” she gushed.

Her travel to Gotham to prima successful nan philharmonic — wherever she plays nan main domiciled of Betty Schaefer, an aspiring writer wished to make it successful Hollywood — was her first clip visiting New York, and America, and she was “absolutely terrified.”

“I was freaking out, I’m not gonna dishonesty to you. . . . I didn’t cognize what to expect because I ne'er really pictured that this occupation would return maine to New York. . . . It conscionable seemed truthful far-fetched,” said Young, whose first master domiciled was successful “Sunset Boulevard” successful London’s West End.

“So to beryllium present now is insane.”

For nan long of nan show, astatine nan St. James Theatre until July 13, she’s surviving successful Hell’s Kitchen — wherever nan biggest point she had to get utilized to was nan “the changeless watercourse of traffic” extracurricular her window.

“I’ve asked group successful nan cast, and apparently nan roadworthy that I tin spot retired my model is notoriously known for bad traffic,” she said.

“Every azygous day, without fail, it’s conscionable blocked pinch cars and group are honking their horn for illustration there’s anyplace to spell and there’s really not.”

The Post praised Young for her “strong” capacity arsenic Betty — who finds herself successful a messy emotion triangle pinch chap writer Joe Gillis, played by Tom Francis, and Norma Desmond, a seasoned Hollywood character played by erstwhile Pussycat Doll Nicole Scherzinger.

Young was moving arsenic a waitress successful a London barroom called Skylight erstwhile she auditioned for a smaller domiciled successful its ensemble.

However, its head Jamie Lloyd was truthful impressed pinch her, he asked if she was disposable nan adjacent time to effort retired for Betty — which earned her a information for an Olivier Award, nan British balanced of a Tony.

“I said, ‘Yes,’ and I really wasn’t [free] because I had a displacement astatine nan bar,” she said, laughing.

The nighttime earlier nan audition, she had to study 2 of nan show’s songs, written by legendary composer Andrew Lloyd Webber, and nan greeting of “they taught maine immoderate much songs astatine astir 11 a.m. and past I had to beryllium backmost astatine 2 and do them,” she recalled.

Young sewage nan telephone she’d landed nan portion while connected nan autobus commuting location from a 12-hour displacement astatine nan watering hole, wherever she was astir to get promoted to bartender.

“I was astatine nan shape wherever they were training maine to beryllium connected nan bar, but aft I sewage that call, I virtually called my leader and was like, ‘I sewage a job. I’ve sewage to go.'”