"I think anyone who is upset is stupid".
One person suggested the role should be handed to an artist like Beyonce or Kelly Rowland.
Lopez also opened up about her performance on the Grammy red carpet, telling Ryan Seacrest that she wanted to dedicate the performance to her mother.More news: Wijnaldum: We knew title race would be hard
The 49-year-old singer performed a jaw-dropping medley of Motown classics - including "Dancing in the Street", "The Best Things in Life Are Free", "Please Mr. Postman" and "Do You Love Me", among others - before she was joined by GRAMMYs host Alicia Keys, Ne-Yo and by Smokey Robinson, who sang with her for a performance of "My Girl". Suggestions of having black performers like Gladys Knight, Stevie Wonder, Patti Labelle, Jennifer Hudson, Tina Tuner or "practically anyone else" were lobbied to take Lopez's place.
At Saturday's Clive Davis' pre-Grammy gala, Robinson defended Lopez' performance, pointing to the credibility of her youth spent growing up in a Hispanic neighborhood in the Bronx.
She added: 'The thing about music is that it inspires all. "You can't tell people what to love", she said. "You gotta do what's in your heart", Lopez shared in her defense. "[The Grammys organizers] know how much I have been influenced by that music and so it was a natural fit for them", she noted. "For some people, [it wasn't], and that's okay".More news: USA warships again challenge Beijing's claims in South China Sea
Chatting to Entertainment Tonight, the On The Floor songstress said: 'I could cry. "Mommy, this is for you because we used to dance around to this music", she told E! ahead of her performance. "I'm just very humbled and honored to be able to have sung those songs". "Motown was music for everybody".
Despite Robinson's comments, an outpour of folks fired shots at Lopez's performance during the 61st annual Grammy Awards on Sunday, taking offense to just about every aspect of the tribute including Lopez's sparkled-covered costumes. At one point, he mouthed, "Wow".
People were already puzzled when news that J. Lo would be performing the tribute and by the time she took the stage, music fans were waiting to see if she would pull it off.More news: Rafa Benitez slams officials after Newcastle concede last-minute equaliser against Wolves