Hudson Struggling With Houston Tribute Rehearsals

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February 12, 2012 | 6:26pm EST

Jennifer Hudson is struggling with last-minute rehearsals for the Grammy Awards as she prepares to pay tribute to Whitney Houston.
The singer, who was a lifelong fan of the late superstar, was added to the Grammys bill late on Saturday as ceremony bosses scrambled to honor Houston.

But her Sunday rehearsals were difficult for the Dreamgirls star, who was handed her first Grammy by her idol Houston in 2009.

Sources tell The Hollywood Reporter, “She’s having a hard time,” adding that she was crying and “had to keep pausing” to collect herself.

Reports suggest she’ll be singing Houston’s I Will Always Love You hit, which was written by Dolly Parton, three quarters of the way through the Grammys ceremony on Sunday night.

Chaka Khan is also expected to be part of the tribute.

Houston died in a Los Angeles hotel suite on Saturday.