The source said: "She's not a natural dancer. She only accepted it as a way to try something new. However, it's more challenging than she thought and she's concerned she'll get in the beginning."
The U.S. Sun has reached Teresa's rep to ask to inquire about her comments.
DWTS newbie Teresa Giudice is ‘stressed’ & fear
The Real Housewives of New Jersey star appears to be doing her best to conceal her true nerves,
Teresa Giudice
while she continues to provide viewers a glimpse into her routine of rehearsals along with dance partners.
"Starting with a fresh adventure and I truly would like to see you join me on the journey!" Teresa previously spoke to fans about her big leap into the dance world.
She added: "I'll be competing with many wonderful contestants throughout the season of DWTS... I'm eager to show you every week as I shake it to take some Jersey to LaLa Land!"
DWTS newbie Teresa Giudice is ‘stressed’ & fear
The couple tied the knot by having the couple's wedding in a lavish wedding ceremony in their state of residence and was captured to be used in a forthcoming Bravo special.