"Sippin On is an unreleased song by Britney Spears. Two versions of the song were leaked, the original and a remix featuring rapper AC. The song is known alternatively as \"What Ya Sippin' On\""@en . "100"^^ . "September 2007 \nSeptember 2011"@en . "song"@en . "Sippin On is an unreleased song by Britney Spears. Two versions of the song were leaked, the original and a remix featuring rapper AC. The song is known alternatively as \"What Ya Sippin' On\""@en . "Sippin' On"@en . . . "Penelope Magnet, Thabiso Nikhereanye, Britney Spears, Christopher 'Tricky' Stewart"@en . . . "Jive"@en . . . .