My Answer: Yes she has had five solo and four as a member of Destiny's Child:
1999- "Bills, Bills, Bills"
2000- "Say My Name"
2000- "Independent Women Part I"
2001- "Bootylicious"
2003- "Crazy In Love"
2003- "Baby Boy"
2005- "Check On It"
2006- "Irreplaceable"
2008- "Single Ladies (Put a Ring on It)"