Petronella Tshuma (also credited as Petronella Nontsikelelo) 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.
In 2014 she had a starring role on the fourth season of the SABC2 parliamentary drama series 90 Plein Street and in 2016 she guest starred in the e.tv drama series Hustle.
Also in 2016, she had a starring role in the third season of the SABC1 legal drama series Sokhulu & Partners as intrepid investigator Qaqamba "Q" Jezile.
In 2017, Petronella had a starring role in the e.tv drama series Harvest, about three women who are forced to take over an international drug smuggling business when their husbands are murdered. In it she plays Lizzie, who cons her way into the business, becoming the daughter Celia (Masasa Mbageni) never had, but always there for one plan: revenge.