Charlotte is a Spanish pop singer-songwriter and model who rose to fame after competing on the talent show series La Voz Kids in 2015. She went on to perform on NBC's Little Big Shots in 2018. She has published a number of cover songs on her eponymous YouTube channel.
She appeared on stage in Les Miserables before going on to take part in La Voz Kids at the age of 9.
She won Big Talent Marbella at the age of 10. She has also won awards in two International music festivals including first prize for Original Song Contest with her hit "Unicorn" at Eurokids International in Italy.
She is based in Marbella, Spain; her father's name is Simon. She plays the piano and is bilingual. 
Charlotte Summers' audition in Episode 1403 consisted of singing "I Put a Spell on You". Howie Mandel, Julianne Hough, Gabrielle Union, and Simon Cowell all voted "Yes," sending Charlotte to the Judge Cuts.
Charlotte Summers' Judge Cuts performance in Episode 1410 consisted of singing "You Don't Own Me". Howie Mandel, Julianne Hough, Gabrielle Union, Simon Cowell, and guest judge Jay Leno all gave standing ovations. Her performance was strong enough to advance to the Quarterfinals instead of Nicholas Connors
Charlotte Summers' Quarterfinals performance in Episode 1413 consisted of singing Shirley Bassey's "Diamonds Are Forever" from the James Bond film of the same name. Gabrielle Union and Julianne Hough gave her standing ovations. Charlotte finished in 6th, 7th or 8th place in America's Vote. In the Dunkin' Save, she received fewer online votes than Chris Kläfford. In the Judges' Choice, Howie Mandel and Julianne Hough voted for her but Gabrielle Union and Simon Cowell did not, forcing a tiebreaker; whichever act had received more votes from America would progress. She received fewer votes than Ndlovu Youth Choir, eliminating her from the competition in Episode 1414.