Barbra Streisand was paid $2.3 million for a private concert, it can be revealed.

The 'Woman in Love' singer reportedly cashed the huge cheque after playing to a group of bankers at New York City's Lincoln Center on Friday.

The 71-year-old star was listed as the 2:45 p.m "surprise entertainment" on the schedule of investment firm Baron Funds' 22nd Annual Baron Investment Conference at the Metropolitan Opera House.

Barbra performed just 10 tunes, including 'Memory', 'You Don't Bring Me Flowers' and 'People', before being whisked off stage just as stealthily as she arrived, according to the