Conversation so far:
What is Team Bella all about ?
In June, The Bella Twins became villainess once again by employing Twin Magic, which helped Nikki retain the title against Paige on the June 1.
What was the Twin Magic ?
CANNOTANSWER.
What happend after the match on June 1?
During the feud with Paige, Alicia Fox allied with them to form Team Bella.
Whom did they fight as Team Bella ?
At The Beast in the East on July 4, Nikki retained the title against Paige and Tamina.
After weeks of Team Bella outnumbering Paige, Naomi, and Tamina, Stephanie McMahon.

Question: Was team Bella ever defeated ?
Self-contained rewrite: Was team Bella ever defeated ?