Inside Britney Spears' 40th Birthday Bash in Mexico as She "Finally" Feels Like Her "True Self"

Britney Spears tells her critics to 'kiss my beautiful white a**' as she blasts her conservatorship

Britney Spears Speaks Out on Her 40th Birthday

All 40 Britney Spears Singles Ranked, From ‘Baby’ to ‘Slumber Party’