Lionel Richie makes surprise revelation about daughter Sofia's engagement

Nicolina Bozzo gave it her all once again on Sunday’s “American Idol”, but sadly it wasn’t enough to nab a spot in the Top 3.

“American Idol” celebrated its 20th birthday in style Monday night.

Michele Amabile Angermiller “American Idol” marked its 20th birthday on Monday night with “The Great Idol Reunion,” a one-hour special featuring past “Idol” contestants and judges and celebrating the show’s history, both during its years on Fox and its current home on ABC.“Tonight we are opening the Idol yearbook,” said host Ryan Seacrest as he revealed the “Idol” VIP area, which included such familiar faces as Tamyra Gray, Pia Toscano, Anthony Federov, Brooke White, Justin Guarini, William Hung, and Seacrest’s unforgettable frosted hair.Wasting no time getting to Hung, whose name is “synonymous with ‘American Idol,'” noted Seacrest, he returned to the stage to reprise his epic Ricky Martin performance of “She Bangs” as former judges Paula Abdul and Randy Jackson felt right at home alongside the current panel of Katy Perry, Luke Bryan and Lionel Richie. In classic Abdul form, she kicked into Paula-speak, which fans surely fondly remember.“I am most proud ,most humbled by having the experience of a lifetime,” she said.

Katy Perry is flipping over the latest "American Idol" season.The pop star took a fall on the "Idol" set while dressed as "The Little Mermaid" on Sunday's episode. Video of the incident shows Katy kicking her feet up on the judge's table while Ryan Seacrest talks. Suddenly, as Ryan reacted to a loud bang, the camera panned to Katy, who was on the ground after tumbling off her chair. "Oh!" Ryan said while running over to Katy, her mermaid tail kicking up into the air.

Katy Perry knows what she’s doing as a judge on American Idol. She just doesn’t know how to do it while wearing a mermaid costume!!

, and Katy Perry once again pulled out all the stops. The pop star and judge kept up her tradition of rocking an elaborate costume for the occasion — and this year's might be the most cumbersome of them all.Perry decided to go as Ariel, from, but took it a step father than one usually would with an Ariel costume.

Katy Perry almost ended up “under the seat” during the latest episode of “American Idol”.

Ouch, that had to have hurt!

Lionel Richie has spoken! And the American Idol judge is markedly less judgmental when it comes to his baby girl’s new man!

judges Paula Abdul and Randy Jackson are reuniting for the singing competition's landmark 20th season. They are returning to the judges' table for the special reunion episode airing Monday, May 2, and only ET has the exclusive first look at the duo back in action.Abdul and Jackson served as Idol judges together for the franchise's first eight seasons, from 2002 to 2009.

Future father-in-law! Lionel Richie couldn’t be happier for his daughter Sofia Richie following her engagement to Elliot Grainge.

Randy Jackson is reflecting on the legacy of , 20 years after the singing competition series premiered. ET's Kevin Frazier spoke to Jackson about the show and what it means to have it still on air today.«We did it from the beginning, before anybody knew the show would be a success, so, when people all talk about — you know success has many fathers, mothers, sisters, brothers,» Jackson began before giving props to the show's current judges Katy Perry, Lionel Richie and Luke Bryan.«I just tip my hat off to the show and to the legacy of the brand, and Katy, Lionel, and Luke, you guys are killing the game trying to keep it alive.

Katy Perry has often had moments of hilarity on American Idol, but on the show's latest episode, an unexpected moment ended up a little more awkward for her than expected.MORE: Katy Perry leaves viewers stunned in whimsical green pantsuit live on American IdolThe latest live episode of the show on Monday night featured the Judge's Song Contest, a segment where each contestant was anonymously given a song chosen by the judges and the song they'd perform would net that judge a point.VIDEO: Katy Perry's husband Orlando Bloom cuts a turkey on ThanksgivingFor contestant Noah Thompson, he was given a choice of three songs, two of which ended up being by John Mayer and one by John Denver.While he initially leaned toward the John Denver song, he ended up opting for the John Mayer track Heartbreak Warfare, delivering a performance that impressed the judges.MORE: Katy Perry updates fans with baby number two newsHowever, the moment quickly turned slightly uncomfortable when Ryan Seacrest asked Noah who he thought chose the song, and he picked Katy, unaware of her history with the singer-songwriter, having been in an on-and-off relationship with him.She quickly tried to figure out how to react as the audience let out a few knowing chuckles.

American Idol judges Luke Bryan and Lionel Richie had a hilarious moment on the show's latest installment, puncturing an emotional moment with a comedic one.MORE: Lionel Richie left in tears by emotional American Idol auditionThe country star seemed to have quite the strong reaction to contestant Leah Marlene's performance on the new live episode on Sunday night.VIDEO: Luke Bryan calls on fans to help him after ‘losing money’ in Las VegasFollowing her incredible routine, the judges praised her for her transformation over the course of the competition, with Luke in particular glowing with pride."The beauty of this show and why it works year after year is watching what is happening to you right now," he said to Leah.MORE: Katy Perry talks disagreements with American Idol judges Luke Bryan and Lionel Richie"It's really emotional for me and us to watch you grow and come out of your deal.

Luke Bryan and wife Caroline opened up about their shared love for clothing and their particular habits when it comes to fashion in a new video.MORE: Luke Bryan booed on American Idol over divisive critiquesIn a short clip shared during one of their "Intimate Moments" series with Jockey, which the two are ambassadors for, Caroline gave more details about her wardrobe.VIDEO: Luke Bryan surprised on stage by wife Caroline in sweet video"My favorite piece from the female line, all-time favorite, are the pajama pants," she said, which elicited a chuckle from her husband sitting beside her.

Three cheers for Sofia! Nicole Richie, Evan Ross and more stars shared their well-wishes for Sofia Richie and her fiancé, Elliot Grainge, after news broke of their engagement on Wednesday, April 20.