Jessica Biel ‘looked like a princess’ when she married Justin Timberlake, says wedding guest Jimmy Fallon

Jessica Biel and Justin Timberlake kept their guest list short when they tied the knot in southern Italy last month. The groom didn't even invite his former 'N Sync bandmates! However, one of the few celebs to make the cut was Jimmy Fallon, who shared some details about the celebrity couple's big day.

After saying that he was under a code of silence, the 38-year-old talk show host quickly broke it. He started by describing Biel's wedding day attire, which included her now infamous strapless pink Giambattista Valli Haute Couture gown. "She looked like a princess," Fallon told Andy Cohen on Bravo's "Watch What Happens Live" on Thursday. The "Saturday Night Live" alum also described the bride as "gorgeous" and "beautiful."

The October 19 wedding took place at the picturesque Borgo Egnazia resort in Puglia, and Fallon gave the destination two thumbs up. "Italy was just insane," he said. "Everything was just beautiful. It was really, really a beautiful night. [It was] the perfect temperature."

It's no surprise that Fallon was also a big fan of the music. His pal Questlove — he of the "Late Night With Jimmy Fallon" house band The Roots — deejayed the spare-no-expense affair. "He's the best deejay in the world," Fallon gushed.

And in case any future brides and grooms out there feel like inviting Fallon to their upcoming nuptials, he bragged that he is an exceptional wedding guest. Calling himself a "sucker for weddings," Fallon said, "I'm a fun person to invite to a wedding. I dance. I get up. I drink. But then I weep."

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