The singer posted a pictured of herself and her husband and also remembered her lost friend Whitney Houston.

Valentine’s Day is all about sharing love and the singer Mariah Carey(41) posted a picture of her and her love, Nick Cannon on Twitter. On the picture was written: "There's only one Forever. Happy Valentine’s Day to all the lambs! Love Always Mariah and Nick."

Besides the picture Mariah also remember her lost friend and great voice Whitney Houston, who passed away this weekend. She wrote: "A bittersweet Valentine’s day… I hope everyone can share today with their loved ones!"

Houston and Carey recorded the Academy Award-winning song When You Believe in 1998. After Whitney's death Mariah was also the ones to Tweet about her sadness in the social network: "Heartbroken and in tears over the shocking death of my friend, the incomparable Ms. Whitney Houston. My heartfelt condolences to Whitney's family and to all her millions of fans throughout the world. She will never be forgotten as one of the greatest voices to ever grace the earth."