Article continues below advertisementJanet Jackson teased a sweet surprise for her fans after turning heads with her slim figure."I feel that we had an incredible 2025, but I think everybody's in for a treat in 2026," Jackson, 59, said in a video posted to X.Article continues below advertisementSource: 2Cool2Blog/XJanet Jackson teased a 'treat' for fans in a video posted via X.Article continues below advertisementJanet Jackson Teased a 'Treat' For FansSource: 2Cool2Blog/XJanet Jackson teased a 'treat' for her fans in 2026.