Social media users are gushing over the love letter Tammy Rivera's man, known as "Kosher Oasis," wrote to her for her 39th birthday.RELATED: From Sexyy Red To Tammy Rivera & Gabrielle Union - Here Are 12 Celebrities Who Have Shown Off Their Natural HairTammy Rivera Celebrates Her 39th Birthday With Love Letter From Her Man Kosher OasisOn Thursday, July 31, Rivera took to Instagram to share a carousel of photos from her 39th celebration. To note, she celebrated her birthday on Wednesday, July 30, and seemingly shared an outing with her daughter and Kosher Oasis.