The 18-year-old, who plays Sophie Webster in the ITV1 soap,
questioned Cameron's commitment to equal rights.
She wrote on Twitter: "I swear David Cameron's meant to be
supporting equal rights.
"I just think if same-sex kisses are what he is prioritising and
concentrating on changing, our country's in trouble."
Her comments follow a report suggesting that an independent review
may recommend gay embraces to be restricted to post-9pm, which
would be supported by Cameron, report Digital Spy.
Earlier this year Vincent appeared on the cover of DIVA magazine -
Europe's leading monthly lesbian glossy - with on-screen girlfriend