Petronella Nontsikelelo (also credited as Petronella Tshuma) is a South African actress best known for her role as Ruby in the e.tv soap opera Scandal!, debuting on the show in November 2011.
It was her first major acting role.
Petronella first came to public attention when she made the Top 10 finalists on the second season of the SABC1 talent search Class Act, in mid-2011. She was the first female voted out of the Top 10.
Shortly after her appearance in Class Act she auditioned for and landed the part of Ruby on Scandal!, an adopted teenager getting to know her birth mother Donna.
In 2013 she had a starring role in an episode of the e.tv anthology series Mzansi Love: Kasi Style ("Secret Marriage", Season 2, Episode 1). Her character, Keneiloe, has a fake marriage to a Kenyan man and finds herself falling for him after all.