Simplify the following text for a Grade 7 native English-speaking person.
Original: Michelle LaVaughn Robinson Obama ( born January 17 , 1964 ) is the wife of the 44th and incumbent President of the United States , Barack Obama , and is the first African-American First Lady of the United States .
Simplified: She is the wife of the current president of the U.S. , Barack Obama . Michelle Obama is also the first African-American First Lady of the United States .