This Sim had a major role in some of Lifesimmer's let's plays.
Isabella is the Firefighter of the LP. While her career is always her first focus, she has other talents such as writing and sculpting, and eventually enters a serious relationship with Justin Kayes.
Isabella is roommates with Porsha Doran, Ben Koto and Alexander Goth. In the first part of the LP, Isabella joins the Firefighter profession. In Part 3, she began talking to her co-worker Des Eyre, whom she became close Friends with. Isabella becomes a successful sculptor and is also shown to be a great party host.
Later in the LP, Isabella becomes Justin Kayes's girlfriend; she goes to his house in Part 24: Repo Man, and the two of them end up hitting it off. Isabella proposes in Part 30: Engagement, while on a date at the fair, and Justin accepts. Lifesimmer says that Isabella and Justin will most likely have a Baby despite that Isabella Dislikes Children.
- Isabella is the only member of the original Ambitions household not to have dated anyone within that household.
- Isabella may have Spanish roots as the name "Vega" originates in Spain.