BBU can refer to:

Bobbi Brown (born April 14, 1957) is the founder and CEO of Bobbi Brown Cosmetics.

Born in Chicago, Illinois, Brown graduated from Emerson College in Boston with a degree in theatrical makeup. Afterwards, she moved to New York City to work as a professional makeup artist. In 1991, she and a chemist released a line of new lipsticks under the brand Bobbi Brown Essentials, which debuted at Bergdorf Goodman in New York City. Today, the line is available at few fine retailers such as Lord & Taylor. The success of that makeup line led Estee Lauder to buy the company in 1995.

In addition to creating cover looks for magazines and make-up for fashion shows, Brown is the exclusive beauty editor of The Today Show and a frequent guest on the E! and Style channels. She is the author of Bobbi Brown Beauty, Bobbi Brown Makeup Manual, Bobbi Brown Teenage Beauty, Beauty Rules and Bobbi Brown Beauty Evolution. On 2006-10-24, Brown joined the Emerson College Board of Trustees.

Brown is partners with a charity called Dress for Success where she gives underprivileged women attractive clothes to wear to job interviews. Also, the women receive the basic makeup by Bobbi Brown Essentials. When they receive the makeup, they get their makeup done by volunteer Bobbi Brown makeup artists.