I call it love is a hit song by

The song "I Call It Love" is a hit song by Lionel Richie. Lionel Richie is a famous American singer, songwriter, and musician who rose to fame in the 1970s and 1980s as a member of the Commodores and later as a solo artist. "I Call It Love" was released as a single in 2006 from his album "Coming Home". The song became a hit in several countries, including the United States, the United Kingdom, and Canada. Kelvin Lyttle, Steve Wonder, and Issac Hayes are all famous musicians in their own right, but they did not release the song "I Call It Love". Therefore, the correct answer is Lionel Richie.