Lamar called his experience dancing with Peta on the show "beautiful" and told Dancing with the Stars host Tom Bergeron following his ouster, "I'm lucky to be walking and talking, so this was just another hill I could climb."
The former Khloe & Lamar star and NBA champion and Peta landed in the bottom two along with Queer Eye star Karamo Brown and partner Jenna Johnson based on the combination of judges' scores and live home-viewer votes from the last two performance shows. Like last week, votes were cast live as Dancing with the Stars aired in the Eastern and Central time zones on Monday night.
Prior to Lamar and Peta's elimination, each celebrity and professional pairing performed one time -- and Ally Brooke and partner Sasha Farber won the night by topping the two-week leaderboard.
Ally, a pop star and Fifth Harmony member, and Sasha claimed first place on the judges' leaderboard after receiving a two-week total score of 56 out of 70 points. On Monday night, Ally and Sasha executed a jive routine that earned 32 out of 40 points from the judges.
Model Sailor Brinkley-Cook -- who replaced her mother, supermodel Christie Brinkley, in the competition -- and partner Val Chmerkovskiy finished in second place on the leaderboard with a total of 54 points after receiving 31 points from the judges for their cha cha on Monday night.
Third place went to The Bachelorette star Hannah Brown and partner Alan Bersten with 53 points. Hannah and Alan performed a 32-point worthy paso doble on Monday night.
Two celebrities and their partners tied for fourth place on the judges' leaderboard with 52 points: Comedian and actor Kel Mitchell as well as country music star and former American Idol runner-up Lauren Alaina.
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Kel and partner Witney Carson danced a cha cha on Monday night that earned 32 points from the judges, while Lauren and partner Gleb Savchenko took the stage with a foxtrot routine that also added 32 judges' points to their score from last week.
Actor James Van Der Beek and partner Emma Slater finished in sixth place on the two-week leaderboard with a total of 51 points. James, who learned his wife is pregnant again after suffering through three miscarriages, and Emma danced a 28-point worthy quickstep on Monday night.
Actress Kate Flannery and partner Pasha Pashkov found themselves in seventh place on the judges' leaderboard. After performing an Argentine tango that received 26 points from the judges on Monday night, their two-week total was 50 points.
Karamo and Jenna claimed eighth place on the leaderboard with a total of 44 points, which included the 28 points they had received from the judges for their tango routine on Monday night.
Former White House press secretary Sean Spicer and partner Lindsay Arnold landed in ninth place on the two-week leaderboard with 36 points. The couple only earned 21 points for their paso doble on Monday night.
And finally, Lamar and Peta fell into tenth -- and last -- place on the leaderboard. After receiving only 20 points for their Viennese waltz, Lamar and Peta's two-week total was 32 points.
Next week, Dancing with the Stars' celebrities and pro dancers will surprise and delight fans with "Disney Night" performances, and one more couple is expected to be eliminated from the Season 28 competition.