‘Dancing With The Stars’: First Perfect Score Of The Season And A Happy Ending

It’s the official halfway point on ABC’s “Dancing with the Stars” and Monday night’s show brought with it all the "switch ups" you can imagine.

After dancing their hearts out to their pre-rehearsed dances – foxtrots, tangos, cha- chas, quicksteps, sambas and a “Game of Thrones”-themed Viennese waltz – the eight celebrity couples left were issued an extra challenge: a “Switch Up.”

It was an improv dance in which the music would randomly switch to different tempos and the couples needed to adapt in seconds – for extra points. Actor Corbin Bleu and her partner Karina Smirnoff, and “Glee” star Amber Riley and her partner Derek Hough came up on top adding four extra points to their scores.

The highest scorer of the night came from “Saved by the Bell” star Elizabeth Berkley, who won hearts – and points – with her sexy, high-energy cha-cha. She earned the season’s first perfect score.

The Chilean-born reality star Nicole “Snooki” Polizzi, the only Latina left in the competition after singer Christina Milian was sent packing last week, was dubbed by the judges as the most improved of the season following her nearly flawless, “elegant” foxtrot to “Build Me A Buttercup.” The judges gave her 9s across the board.

The biggest surprise of the night came at the very end – doesn’t it always? Co-hosts Tom Bergeron and Brooke Burke-Charvet started announcing who was safe to dance another week and it came down to reality star Jack Osbourne and comedian Bill Engvall.

Osbourne, who scored a 25 for his paso doble and received an additional three points from the “Switch Up,” was safe — meaning Engvall was going home.

But as tears started to come out from both Engvall and his partner Emma Slater, the hosts gave them the good news: they were also safe from elimination!

Bergeron explained that incorrect phone numbers were shown on the air last week, “so in fairness” the votes were thrown out and the show decided to not send anyone home this week.

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Lucia I. Suarez Sang is a Reporter for FoxNews.com.

Follow her on Twitter @luciasuarezsang