#1 to Infinity was a concert residency by American singer-songwriter Mariah Carey at The Colosseum at Caesars Palace on the Las Vegas Strip in Paradise, Nevada. It began on May 6, 2015, and concluded on July 18, 2017. The show featured all eighteen of Carey’s US number-one singles in chronological order, closing with her then-new single “Infinity.” Several songs were presented in alternate arrangements, including hip-hop remix versions of “Fantasy,” “Honey,” “Heartbreaker,” and “Thank God I Found You,” while “Someday” was performed in a style closer to its MTV Unplugged rendition. Robin Leach of the Las Vegas Sun praised the opening performance, describing Carey as “the highest-pitched contemporary pop singer of the decade.” Background Carey announced the residency during her interview on The Ellen DeGeneres Show. The announcement follows reports that Canadian singer Celine Dion would not be returning to the venue who postponed her shows so that she could continue to take care of her ill husband. Later that spring 2015 Celine announced that she will return to Caesars Palace on August 27, 2015. Speaking of the residency, Carey said "I'm going to do my first ever residency in Vegas at Caesars. This is a special event for me. And again, I have to hope that the fans will enjoy this cause I'm gonna be performing, which was kind of inspired by my album #1's, and this is now the updated version with eighteen of them. I've never done this before." Tickets went on sale January 15, 2015.

Critical response Robin Leach from the Las Vegas Sun praised the opening performance, writing the singer "is the highest-pitched contemporary pop singer of the decade."

Set list "Vision of Love" "Love Takes Time" "Someday" (with elements of "Ain't 2 Proud 2 Beg") "I Don't Wanna Cry" "Emotions" "I'll Be There" (with Trey Lorenz) "Dreamlover" (with elements from "Juicy") "Hero" "Fantasy" (Bad Boy Remix) "One Sweet Day" (with Daniel Moore and Trey Lorenz) "Always Be My Baby" "Honey" (Bad Boy Remix) "My All" "Heartbreaker" (Desert Storm Remix) "Thank God I Found You" "We Belong Together" "Don't Forget About Us" "Touch My Body" "Infinity" Notes:

Starting from September 3rd, "It's Like That" replaced "Infinity".

Shows DateAttendance/CapacityRevenueLeg 1May 6, 201530,936 / 32,597 (95%)$4,596,125May 9, 2015May 10, 2015May 16, 2015May 17, 2015May 20, 2015May 23, 2015May 24, 2015Leg 2July 8, 201534,499 / 35,846 (96%)$5,300,365July 11, 2015July 12, 2015July 15, 2015July 18, 2015July 19, 2015July 22, 2015July 25, 2015July 26, 2015 Leg 3 February 2, 201631,038 / 35,349 (88%)$4,532,760 February 5, 2016 February 6, 2016 February 10, 2016 February 13, 2016 February 14, 2016 February 17, 2016 February 19, 2016 February 20, 2016 Leg 4 June 7, 201630,319 / 38,660 (78%)$3,069,710 June 10, 2016 June 11, 2016 June 14, 2016 June 17, 2016 June 18, 2016 June 21, 2016 June 24, 2016 June 25, 2016 Leg 5 August 24, 201630,570 / 35,157 (87%)$3,986,795 August 27, 2016 August 28, 2016 August 31, 2016 September 3, 2016 September 4, 2016 September 7, 2016 September 10, 2016 September 11, 2016 Leg 6 July 8, 201720,224 / 23,452 (86%)$2,426,861 July 9, 2017 July 11, 2017 July 14, 2017 July 15, 2017 July 18, 2017 Total177,586 / 201,079 (88%)$23,912,616

Cancelled shows Date Reason May 13, 2015 Bronchitis

Personnel Show director — Ken Ehrlich Creative director — Raj Kapoor Musical director — James Wright Guitar — Tim Stewart Drums — Josh Baker Bass — Lance Tolbert Keyboards — Daniel Moore & Derrieux Edgecombe Piano - James "Big Jim" Wright Backing vocalists — Trey Lorenz, Maryann Tatum, & Takeytha Johnson Choreographers — Tabitha and Napoleon D'umo Dancers — Bryan Tanaka, Shaun Walker, G. Madison IV, Joaquim de Santana, Anthony Burrell & Michael Silas

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