the saturday night live cast member and host of the white house correspondents dinner , skewered hillary clinton , barack obama and republican hopefuls during her 20-minute speech .
one of strong 's best jokes poked fun at both the president and police brutality , when she said obama 's graying hair ` it feels right to have a woman follow president obama , does n't it ? ' .
she donned an expensive j.mendel gown to the formal dinner .