Chidinma Umeh (born 05 June 1990), better known as Dimma Umeh and previously as ThatIgboChick, is a Nigerian YouTuber.
Dimma Umeh obtained a degree in Banking and Finance in 2011, from the University of Nigeria. In 2015, she completed her master's degree in Entrepreneurship and Innovation at the University of Warwick.
In 2011, Dimma Umeh began blogging and sharing beauty and lifestyle tips. She published her first makeup tutorial on YouTube in 2012. As of August 2022, she has amassed over 450,000 subscribers on her YouTube channel.