• Derek Hough from ABC's "Dancing With the Stars" jumps backstage with his award for Outstanding Choreography at the 65th Primetime Emmy Awards in Los Angeles September 22, 2013.

Derek Hough from ABC's "Dancing With the Stars" jumps backstage with his award for Outstanding Choreography at the 65th Primetime Emmy Awards in Los Angeles September 22, 2013. (Photo : REUTERS)

"Dancing With the Stars" (DWTS) Season 20 (2015) featured Week 4 of the competition in episode airing on Monday, April 6, 2015. The latest segment saw the performances by top 10 contestants who got the opportunity to relive the memories of their "Most Memorable Year." Meanwhile, Julianne Hough, Bruno Tonioli, Carrie Ann Inaba and Len Goodman continued to be the part of the show as judges, coaches, mentors and more. Here is a detailed recap of "Dancing With the Stars" (DWTS) Season 20 (2015) Episode 5. Read on to find out who advanced to the next level and who was sent home.

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[Spoilers alert! This article contains spoilers for "Dancing With the Stars" (DWTS) Season 20 (2015). Please do not read if you do not want to know more about it.]

In Week 4, 10 couples, including Noah Galloway and Sharna Burgess, Patti LaBelle and Artem Chigvintsev, Riker Lynch and Allison Holker, Willow Shields and Mark Ballas, Chris Soules and Witney Carson, Robert Herjavec and Kym Johnson, Nastia Liukin and Derek Hough, Michael Sam and Peta Mugatroyd, Suzzanne Somers and Tony Dovolani, and Rumer Willis and Valentin Chemerkovskiy competed against each other while performing array of dances such as contemporary, jazz, tango, foxtrot and more.

"Most Memorable Year" kicked off with a performance by Nastia and Derek. Nastia dedicated her performance to the year when she got the opportunity to represent United States in Beijing. She performed Argentine Tango to the tune of "Variations on Dark Eyes" by Lara St. John.

Scores: Carrie Ann: 9 Len: 8 Julianne: 9 Bruno: 10

Total Scores: 36/40

Next up were Michael and Peta. He dedicated his performance to the year 2014. During this year, he revealed that he was gay and it majorly affected his relationship with his father. Michael and Peta performed Rumba to the tune of "Not My Father's Son" from "Kinky Boots."

Scores: Carrie Ann: 7 Len: 7 Julianne: 8 Bruno: 8

Total Scores: 30/40

Riker and Allison took the stage next to perform Tango. Riker's most memorable year was 2014. It is the year when his band's career took off after years of struggle. He danced to the music of "Shut Up and Dance" by Walk the Moon.

Scores: Carrie Ann: 8 Len: 8 Julianne: 9 Bruno: 9

Total Scores: 34/40

Performing next were Robert and Kym. Robert dedicated his performance to the year 2006. It was the year when his mother passed away after struggling with cancer. He performed Waltz on the song "The Last Waltz" by Engelbert Humperdinck.

Scores: Carrie Ann: 8 Len: 9 Julianne: 8 Bruno: 9

Total Score: 34/40

Chris and Witney took the stage next to present a Rumba routine. Chris' most memorable year was 2014 when he found Whitney Bischoff, his fiancée, on "The Bachelor." He danced to the music of "The Book of Love" by Gavin James.

Scores: Carrie Ann: 7 Len: 6 Julianne: 7 Bruno: 7

Total Score: 27/40

Patti and Artem performed Jazz. Patti's most memorable year was 1973 when her son was born. She danced on her own song titled "Dan Swit Me."

Scores: Carrie Ann: 8 Len: 7 Julianne: 7 Bruno: 8

Total Score: 30/40

Rumer and Val performed Waltz on "Turning Tables" by Adele. Through her performance, Rumer recounted the events of the year 2014 when she underwent lots of changes and she learned to accept herself with all her flaws.

Scores: Carrie Ann: 9 Len: 8 Julianne: 9 Bruno: 9

Total Score: 35/40

Suzanne and Tony performed Foxtrot. Suzanne calls 1977 a life-changing year for her. This is the year when she bagged leading role in the movie named "Three's Company" after years of struggle in the industry. Suzanne and Tony danced on "Three's Company, Too" by Ray Charles and Julia Rinker.

Scores: Carrie Ann: 7 Len: 7 Julianne: 7 Bruno: 7.

Total Score: 28/40

Performing next were Willow and Mark. Willow dedicated her performance to the year 2011 when she was in "The Hunger Games." The actress outshined in Week 4 with highest scores from the judges and emerged as the new frontrunner of the current season of. She performed Contemporary routine to the tune of "Atlas" by Coldplay.

Scores: Carrie Ann: 10 Len: 9 Julianne: 10 Bruno: 10

Total Score: 39/40

The last performance of "Dancing With the Stars" (DWTS) Season 20 (2015) was delivered by Noah and Sharna. Noah's most memorable year was 2005 when he lost left leg and left arm. He did contemporary on "American Soldier" by Toby Keith.

Scores: Carrie Ann: 8 Len: 8 Julianne: 8 Bruno: 8

Total Score: 32/40

The couple that got eliminated in "Dancing With the Stars" (DWTS) Season 20 (2015) Week 4 is Michael and Peta. Stay tuned for more spoilers and recap.