Maroon 5 vocalist, Adam Levine has previously expressed their feelings that he doesn't believe in marriage.

But now he admits that he have changed his mind.

According to contactmusic portal, the singer is in love with a 21-year-old woman, Nina Agdal.

He changed his mind after seeing his friend Blake Shelton and his wife, Miranda Lambert being so happy as husband and wife.

Prior to his relationship with Agdal, Adam - a jury for the program The Voice - had a relationship with Victoria Secret model Behati Prinsloo.