Los Angeles: Pop princess Britney Spears has beat off competition from all fellow celebrities to become the first person to have 5 million followers on the social networking website Twitter.
The `Toxic` hitmaker overtook actor Ashton Kutcher, the first member to reach one million supporters, as the most popular celebrity on the forum last week and has now set a new record with a fan following of 5,015,346.
Spears has thanked all fans for their support and invited devotees to send in their questions via her Twitter blog and she responded to them throughout the week.
"This is really amazing! I love you all! I better get busy writing 4,947,608 thank you notes! U guys make me so happy," she wrote on her Twitter page.
The 28-year-old singer has an account on Twitter since 2008.