Bush man's father says baby No. 2 is on the way
Pop star contributes to a scholarship fund
Proceeds from her show will support relief efforts
Super-producer Timbaland also on the bill
They say she shouldn't perform because she's 'indecent'
Singer says they stole her designs
Verizon Wireless drop out of gigs due to Akon
Gwen Stefani, Kelly Clarkson and Quincy Jones will also feature
The singer will be back in the autumn