Stadium Arcadium (2006–present)

In 2006 the band released the Grammy Award-winning Stadium Arcadium, produced by Rick Rubin. Although 38 songs were created with the intention of being released as three separate albums spaced six months apart, the band instead chose to release a 28-track double album, with the remaining ten tracks released later as B-sides. It was their first album to debut at #1 on the US charts, where it stayed for two weeks, and debuted at number one in the UK and 25 other countries. In the album's first week, it sold 442,000 units in the United States alone, and over 1,100,000 worldwide, setting a personal record for one week sales. By the end of 2006, Stadium Arcadium was named the best-selling album of the year, with over seven million units sold, and also recorded the highest one week in total sales of the year.

The record's first single Dani California, was the band's fastest-selling single, debuting on top of the Modern Rock chart in the US, peaking at #6 on the Billboard Hot 100, and reaching #2 in the UK. Tell Me Baby, released next, also topped the charts in 2006. Snow ((Hey Oh)) was released in late 2006, breaking multiple records by 2007. The song became their eleventh number one single, giving the band a cumulative total of 81 weeks at number one (all singles combined). It was also the first time three consecutive singles by the band made it to number one. Desecration Smile was released internationally in February 2007 and has reached number 27 on the UK charts. Hump de Bump was planned to be the next single for the US, Canada, and Australia only, but thanks to positive feedback from the music video, it was released as a worldwide single in May 2007.

The band began another international world tour in support of Stadium Arcadium in 2006, beginning with promotional concerts in Europe and culminating in a two-month long European tour from late May to mid-July. The group then toured North America from early August to early November, returning to Europe later in November for a second leg that ran until mid-December. The Chili Peppers began the year of 2007 with a second North American leg, this time including Mexico in addition to the United States, from mid-January to mid-March. This was followed by the band's first shows in Oceania in seven years, including various cities in Australia and New Zealand, from early-to-mid April and two months later, and concerts in Japan in early June. The Chili Peppers recently finished touring Europe for another leg from late June to late August. They appeared at the Live Earth concert at London's Wembley Stadium on July 7, 2007. Throughout the course of their tour, the band appeared at several festivals, including Lollapalooza in August 2006 in Grant Park, Chicago, and a subsequent set at the Coachella Valley Music and Arts Festival in Indio, California in late April 2007.

In July 2007, the Chili Peppers performed 3 shows, in 3 different cities (Paris, London, Copenhagen), in a span of just 24 hours. One of these shows was their London appearance at Live Earth. During the final legs of their Stadium Arcadium tour, the Chili Peppers have been joined by Josh Klinghoffer playing in the background on stage. The Chili Peppers played their final concert of the 18 month Stadium Arcadium tour on August 26th at the Leeds Festival. Their last stadium concert was at Glasgow's Hampden Park.

On March 6, 2007 the Chili Peppers announced a contest for someone to direct a video for the song Charlie through their Youtube service. The winner of the contest was flown to Paris to see a live performance of the band.

In early 2007, the Chili Peppers won 5 Grammys: Best Rock Album (Stadium Arcadium), Best Rock Song (Dani California), Best Rock Performance By A Duo Or Group With Vocal (Dani California), Best Boxed Or Special Limited Edition Package (Stadium Arcadium), Best Producer (Rick Rubin), and Best Short Form Music Video (Dani California). The ceremony included a live performance of Snow ((Hey Oh)), their single at the time, complete with confetti snow.