Live performances and tour " during one of the dates of the
KylieX2008 tour To promote the album's release, Minogue performed on an exclusive show on
ITV called
The Kylie Show, aired on 10 November 2007. Minogue performed songs from her previous albums and sneak peek songs from
X, while also doing comedy sketches with her sister
Dannii, her former co-star
Jason Donovan, and
Simon Cowell. The show aired on the Australian
Seven Network on 5 February 2008. Minogue joined
Jo Whiley on BBC Radio 1 for a special show,
Kylie and Whiley, during which they recreated a scene from the Australian TV series
Neighbours. Minogue appeared on 14 January 2008 on the Australian morning program
Sunrise, her first in-studio
breakfast interview in more than a decade. Minogue went on several television shows in the US to promote the album. On 31 March 2008, she gave an interview on the
Today show with
Matt Lauer inside the
NBC Studios in Manhattan. On 1 April, the same day
X hit US stores, Minogue performed "All I See" and "
Can't Get You Out of My Head" live on a
season 6 episode of the American program
Dancing with the Stars. It was her first performance on American TV in four years and was viewed by more than 17 million people. She was interviewed and performed "All I See" on
The Late Late Show with Craig Ferguson and
The Ellen DeGeneres Show. Her last appearance on the US-promo tour was on
Idol Gives Back, an
American Idol charitable campaign of on April 9. To promote the album, Minogue announced her tenth concert tour in late November 2007, titled
KylieX2008. It began in May 2008 and concluded in December. Travelling to Europe, South America, Asia, and Australasia, Minogue spent $20 million for the production, making it her most expensive tour at the time; in comparison, Showgirl: The Greatest Hits Tour cost her $5 million. The concerts were divided into eight segments: Xlectro Static, Cheer Squad, Beach Party, Xposed, Naughty Manga Girl, Starry Nights, Black Versus White, and the encore. KylieX2008 was commercially successful, grossing $70,000,000 from ticket sales. The DVD of the tour,
KylieX2008, was released on December 1, 2008.
Singles ", during the
KylieX2008 tour "2 Hearts" was released as the
lead single from
X in October 2007. The single and its remixes were leaked onto file-sharing websites on 9 October 2007, forcing it to be premiered on British radio the following day.
Dawn Shadforth directed the
music video for "2 Hearts" filmed at
Shepperton Studios in
Surrey in September. The video shows Minogue singing on a stage with a band with a look similar to that of American actress Marilyn Monroe. "2 Hearts" debuted atop of the
Australian Singles Chart, becoming her first number-one single since "
Slow" (2003) and her tenth overall. On the
UK Singles Chart, it reached a peak position of number four and remained in the top 75 for 13 weeks. The next two singles, "Wow" and "In My Arms", were released simultaneously. "In My Arms" was issued in several European countries on 15 February 2008, while "Wow" was released as the second single in the UK and Australia two days later. "In My Arms" was later released in the UK in May. Both singles had several new mixes and previously unreleased tracks "Carried Away", "Cherry Bomb", and "Do It Again" as the B-side tracks.
Melina Matsoukas filmed two music videos back-to-back for "Wow" and "In My Arms" in Los Angeles. The videos, which show Minogue dancing in a futuristic and colourful setting, were released concurrently in late January–early February. Both singles peaked within the top 10 in the UK and Scotland. "All I See" was released as the lead single in the US on 11 March, with a version featuring rapper Mims. The black and white music video for the song was made between rehearsals for the KylieX2008 tour and released in April 2008 on Minogue's official website. The track peaked at number three on the
Billboard Hot Dance Club Play chart. "The One" was digitally released as the fifth and final single in July, reaching number 36 on the UK chart. Ben Ib directed the music video in a
green screen studio in the
Manchester Evening News Arena, influenced by images of
Carole Lombard and
Lauren Bacall. On 15 December 2007, a
mashup single titled "X Allmixedup" was released on iTunes in Australia and New Zealand, containing four songs from
X: "2 Hearts", "The One", "In My Arms" and "Like a Drug". Despite never having been released as a single, "Speakerphone" reached number 87 on the
Canadian Hot 100 based on high downloads from the album. A version of "Sensitized" featuring French singer
Christophe Willem served as a promotional single in Europe, but did not appear on any major record charts. == Critical reception ==