Since you asked, now twice, who she is I'll be glad to post links for you (hey, if you can be snarky about her, I can be snarky in my response, huh?).
http://www.biography.com/people/barbra-streisand-9497402
"Barbra Streisand is the highest-selling female recording artist of all time, and has won awards and acclaim in every medium that she's worked in." Named the best-selling female singer of the 20th century. She has sold more than 68 million records, with 47 Gold, 28 Platinum and 13 Multi-Platinum.
"After a 27-year absence, Barbra Streisand returned to the concert stage in 1994. Her performance resulted in the Top 10, million-selling album,
The Concert.
The tour itself generated over $10 million for charities, including AIDS organizations, women and children in jeopardy, Jewish/Arab relations, and agencies working to improve relations between African-Americans and Jews. Streisand's philanthropy and activism also extends to her Barwood Film's productions, such as
The Long Island Incident, which inspired a national debate on gun control."
"Second single largest grossing American concert engagement, with $16.6 million, seven performances, Madison Square Garden, 1994 (#1: $19 million,
Bruce Springsteen & The E Street Band, 15 performances, Continental Airlines Arena, 1999)."
"Only artist to receive Oscar, Tony, Emmy, Grammy, Golden Globe, CableACE and Peabody awards."
http://www.imdb.com/name/nm0000659/bio