The Shirelles originally sung 'Will You Love Me Tomorrow' BUT who sung the reggae version?

Answer 1

This song has since been remade by many artists. Notable versions include those by these artists:

Dusty Springfield included her version as a track on her 1964 album A Girl Called Dusty.
Cher released a version on her 1966 album Cher.
The Four Seasons had a number twenty-four hit on the Billboard Hot 100 in 1968.
Françoise Hardy a famous French singer also recorded her own version on her 1969 album En Anglais (album known in the US and Canada as Loving).
Linda Ronstadt released a version on her 1970 album Silk Purse.
Carole King included a version on her 1971 album Tapestry.
Roberta Flack's version hit number seventy-six on the Billboard Hot 100 in 1972 as "Will You Still Love Me Tomorrow."
Melanie had a number eighty-two hit on the Billboard Hot 100 in 1973 and also saw her version go top-forty in the United Kingdom in 1974.
Dana Valery recorded a dance version that hit number ninety-five on the Billboard Hot 100 in 1976.
Dave Mason had a number thirty-nine hit on the Billboard Hot 100 in 1978 with his remake. It was his final top forty hit on that chart.
Maureen Tucker of The Velvet Underground recorded it as the B-side on the single Around And Around / Will You Love Me Tomorrow? in 1981.
Laura Branigan remade it for her 1984 album Self Control.
Bryan Ferry had a hit in the United Kingdom with his version in 1993.
Shawn Colvin covered the song for the closing credits of the series finale of The Larry Sanders Show in 1998.
Me First and the Gimme Gimmes remade the song on their 2001 album Blow in the Wind.
Amy Winehouse recorded a version for the soundtrack of the film Bridget Jones: The Edge of Reason in 2004
John Frusciante of the Red Hot Chili Peppers frequently played a live version of the song featuring only guitar and vocals during the bands 2006 Stadium Arcadium tour.

Answer 2

I don't believe I've heard an actual reggae version, but there is a song that uses the same lyrical stance in reggae, called, "No More War" by Little Hero