In 2009, the group became one of only 11 artists to have simultaneously held the No. 1 and No. 2 spots on the Billboard Hot 100, with their singles "Boom Boom Pow" and "I Gotta Feeling", with the next single "Meet Me Halfway" achieving similar success, from the album The E.N.D.. These three singles topped the chart for an unprecedented 30 consecutive weeks in 2009. The album later produced a third Hot 100 number-one placement with "Imma Be", making the group one of few to ever place three number one singles on the chart from the same album before being followed with "Rock That Body" which managed to peak in the Top 10 of Hot 100. "I Gotta Feeling" became the first single to sell more than 1 million downloads in the United Kingdom.

The Black Eyed Peas were ranked 12th on the Billboard's Decade-End Chart Artist of the Decade, and 7th in the Hot 100 Artists of the Decade.In November 2010, they released the album The Beginning. The first single of the album was "The Time (Dirty Bit)" and topped the charts in many countries. In February 2011, the group performed at the Super Bowl XLV halftime show.
The album's second single was "Just Can't Get Enough" and was released in February 2011. The music video was filmed in Japan one week before the 2011 Tōhoku earthquake and tsunami. The third single "Don't Stop the Party" was released in May 2011. In July 2011 the group announced that they are taking a break and have denied breakup rumors.

In 2008, Taboo was in the process of creating a solo album, but in a 2011 interview Taboo said it would be some time before he would begin a solo album. Taboo has said that he hopes to collaborate with artists such as Frankie J, E-40, Pitbull, Transit Venus and Kumbia Kings. Shakira, Blu Cantrell, and Juanes have been rumored to be featured artists on his solo effort, even though it may be a small effort. "Revolution Ni Hao" can be heard on his official website.

Music he has co-written and performed has been featured on many movie soundtracks, including Coach Carter, Legally Blonde, Harold & Kumar Go to White Castle, and Barbershop 2.
Taboo collaborated in the past with Ryan Key of Yellowcard on the song "Gotta Get It Now". He also collaborated with race rapper David Rolas for the song "Morena", and rapper Fudge Dog on the song "Get It". In late 2007, Taboo also collaborated with merengue star Juan Luis Guerra on a remix of his hit song "La Llave de Mi Corazón". In addition, he created a remix to the song "La Paga" by Juanes.Taboo worked with George Pajon Jr. and Andy Vargas to perform the Obama song "Yes We Can" (Si Se Puede). He performed together with Juanes, in the kick-off concert of South Africa Worldcup 2010, singing La Paga

Taboo's first acting role was in the film Dirty with Wyclef Jean, playing the part of Ramírez. He then appeared in the 2007 independent film Cosmic Radio, which also stars Michael Madsen, Wes Studi, Irene Bedard, Daryl Hanna, Ricardo Chavira, and other well-known actors. He played the character Vega in the 2009 film Street Fighter: The Legend of Chun-Li. Taboo has also appeared as a judge on the reality show MTV's Top Pop Group

Two days before his 33rd birthday, Taboo married Jaymie Dizon in Pasadena, California on July 12, 2008. will.i.am served as groomsmen. The couple had their first child, Jimmy Jalen Gomez on July 19, 2009 and their second, Journey, on April 19, 2011. He has another son from a previous relationship, Joshua, who was born October 19, 1993.
An autobiography, "Fallin' Up: My Story", co-authored with Steve Dennis, was released in February 2011.