Washington DC, Sept. 14 -- Singer Akon's wife, Tomeka Thiam, has filed for divorce from the musician, just four days before what would have been their 29th wedding anniversary.

According to documents obtained by PEOPLE, Thiam filed the papers on Thursday, September 11, citing irreconcilable differences. She listed their date of separation as "TBD". The filing also mentioned that the couple shares one child together, 17-year-old daughter Journey.

As per the publication, Thiam has requested joint legal custody of Journey but has asked for physical custody of their daughter, with Akon being granted visitation rights. She also requested spousal support and asked that the court not grant the "Smack That" singer any spousal support.

Akon has...