Amy Winehouse's mother-in-law, Georgette Civil, has called for her to be arrested after the junkie was caught again on video snorting cocaine.

The crackhead Back to Black crooner was secretly filmed hoovering up the quite illegal drug - smack in the middle of a packed London pub.

This is the first time Georgette Civil has spoken out about the shocking 36-second footage, which was filmed last month during Amy's DJ set.

Her sensational comments come in the week that walking corpse Amy Winehouse is set for another rehab stint at the Focus 12 Clinic in Suffolk.

A spy cam catches Amy Winehouse in the act!

Amy has been booked into the clinic just a short drive from the jail where hubby Blake Fielder-Civil is serving a 27-month sentence.

But rather than pushing for Blake's rumored, possible early release, Georgette Civil wants Amy locked up right along side addict son.

“Prison will do Amy far more good than Rehab,” she said. “I’m shocked by the video. When I look at Amy I think: ‘For Christ’s sake, just get a grip of yourself.’ Enough is enough. As the police know, Amy is a drug addict - and she has now been caught twice on film taking illegal drugs - they should arrest her and put her behind bars. Rehab clinics are a waste of money."

Watch the video and read more of Georgette's advice here.