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Apparently, Simon, Paula and Randy weren't among those who voted for Robyn Troup in the My Grammy Moment contest.

The aspiring singer who shared a stage with Justin Timberlake at the 49th Annual Grammy Awards on Sunday made a blink-and-you-missed-it appearance on Tuesday's American Idol before being unceremoniously sent home by the judges.

Troup had hinted at her impending talent-show crossover backstage at the Grammys in response to E! Online blogger Joal Ryan's question about whether she had ever tried her luck on Idol.

Troup admitted she had, in fact, auditioned for this very season of the talent show, but declined to reveal the outcome of her experience.

As it turns out, there wasn't much to reveal. Troup made it through to Hollywood, but was sent home to Houston after her weak group performance failed to make the grade.

Troup was just one of many Idol hopefuls whose chances ended Tuesday, as the pool of 172 golden ticket holders was thinned to 40. On Wednesday, the group is due to shrink again when the 24 semifinalists are revealed.

In other Idol news, Paula Abdul has denied once again that her sometimes off-kilter behavior on the show is due to alcohol or drug use.

"I've never been drunk. I have never done recreational drugs," Abdul told Us Weekly. "Just look at my 20-year career. Tell me someone who is into partying or doing drugs that could have done that."

Abdul has defended herself against accusations of drug and alcohol abuse in the past, though she has admitted to taking prescription medication to treat a rare neurological disorder that causes chronic pain.

"I'm squeaky clean. I've worked my ass off my entire life," Abdul said. "Being involved in the show causes people to question everything."

Meanwhile, it's been a tough week for season-five finalists Bucky Covington and Kellie Pickler.

Covington announced his separation from his wife, Crystal, on Tuesday after seven years of marriage. The couple had no children.

"This is a difficult time for both of us, and I would ask that everyone respect our privacy," Covington said in a statement issued through his record label.

Pickler was also dealing with family problems after her father, Clyde, was arrested in North Carolina earlier this month for allegedly assaulting a woman with a steak knife. The elder Pickler was released from a Florida prison in May after serving three years for his involvement in a trailer park stabbing.

Fortunately for both Covington and Pickler, a whole new crop of Idols will soon become household names, drawing the attention away from the misfortunes of the contestants of seasons past.