The former talk show host managed a near-perfect score of 27 out of 30 for her pasa doble routine with professional partner Derek Hough and she was given 26 for her group dance with fellow contestants Hope Solo and Rob Kardashian during the Halloween-inspired show.
Judge Bruno Tonioli praised Ricki and Derek's individual effort, describing it as "another incredible performance".
The feat was even more impressive after the 43-year-old star bruised her rib in rehearsals.
Discussing her injury, she said: "I'm in this corset, so it feels like it's held together, but you know it's bruised. But everyone has injuries at this stage."
It's not the first time Ricki has reached number one on the scoreboard during this series after she managed 27 points for a romantic rumba with Derek last month, with judges Len Goodman, Carrie Ann Inaba and Bruno scoring the pair nine out of a possible 10.
With an appropriate explosion of humour and colour, this documentary traces the life of a...
John Waters first went mainstream with the 1988 classic Hairspray and then defied midnight-movie fans...