The year in which the artist has reached cultural ubiquity and uses it to leverage endorsements, award show wins, and ventures in film.

Justin Timberlake's 2008

Feb. 3 — Timberlake has recently landed a Pepsi endorsement. His commercial hawking the soda airs during Super Bowl XLII.

Feb. 10 — Timberlake wins two Grammy awards—Best Male Pop Vocal Performance for "What Goes Around...Comes Around" and Best Dance Recording for "LoveStoned/I Think She Knows"—at the 50th annual ceremony.

Mar. 17 — Timberlake is featured on Madonna’s “4 Minutes” with Timbaland.

Jun. 20 — Timberlake stars as Jacques Grande in The Love Guru.

Sept. 26 — T.I. releases Paper Trail. Timberlake is featured on future single “Dead and Gone.”Oct. 6 — Rihanna releases Good Girl Gone Bad. Timberlake is featured on future single, "Rehab."

Nov. 7 — T-Pain releases a remix of “Can’t Believe It” featuring Timberlake.

Dr. Dre's 1994

Mar. 1 — Dr. Dre wins a Best Rap Solo Performance Grammy award for "Let Me Ride."

Mar. 22 — Dr. Dre gets a supervising producer credit on the soundtrack for basketball film Above the Rim.

Sept. 20 — Dr. Dre's earliest recordings are released on a compilation titled Concrete Roots.

Oct. 15 — Dr. Dre and Fab Five Freddy direct Murder Was the Case, a short film starring Snoop Dogg. Dre also produces on the soundtrack.