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Days later, she offered this clarification: "I didn't snog my brother," she said. "Me and my brother had a very difficult upbringing. We both survived a lot together and it meant a lot that he supported me my whole life. And in that moment, you reach to kiss somebody, and you end up kissing their mouth. Who cares? It wasn't like we had our mouths open, it wasn't some romantic kiss."

A year earlier, Roberto Benigni had played such hyperventilating enthusiasm for laughs. The Italian star of "Life Is Beautiful" climbed over theater seats, filled with dapperly dressed stars to receive honors for that film.

"My body is in tumult," he proclaimed in broken English. "I would like to be … lying down and making love to everybody … I am-a so happy, I want to wag-a my tail!"

Oscar's Loneliest Walk of Shame

In that frantic rush to the stage, Barbara Streisand tore her outfit in 1968, when she won best actress for "Funny Girl." Streisand actually had to share the honor that year with Katharine Hepburn — one of the few ties in Academy Award history.

Perhaps she assumed that the trophy would go to whichever actress arrived first. She beat Hepburn, then 61, and regained enough composure to greet her Oscar like a new boyfriend, famously saying, "Hello, gorgeous!"

Indeed, Oscar night has seen many stars take the walk of shame, but the saddest might have come at one of the first ceremonies, back in 1934. Director Frank Capra was so certain he would win for "Lady for a Day," he began his back-slapping, bear-hugging march to the podium as soon as presenter Will Rogers said, "Come on up and get it, Frank."

"Over here! Over hear!" said Capra, when the spotlight was thrown on the other side of the auditorium.

Capra suddenly found the real winner was another Frank — Frank Lloyd — who directed "Cavalcade." Capra called his return to his seat "the longest, saddest, most shattering walk in my life."

Buck Wolf is entertainment producer at ABCNEWS.com. "The Wolf Files" is published Tuesdays.