Taittinger was born with a heart defect and underwent open-heart surgery when she was three days old. This early medical experience shaped her commitment to charitable causes; as an adult she became involved with the French association Mécénat Chirurgie Cardiaque, which raises funds to treat children with heart conditions around the world. Her family connections to motorsport — through her father and godfather Philippe Alliot, the experienced Formula 1 and Le Mans competitor — gave her early access to racing environments and ultimately set her on the path to a driving career.
Taittinger began competing in 2009 in the French VdeV endurance championship, racing in the proto endurance challenge category with the CD Sport team. The series would remain her primary competitive home for several years.
In 2013 she broadened her programme. At the 25 Heures de Spa-Francorchamps VW Fun Cup she competed alongside a field that included Margot Laffite, comedian Arnaud Tsamère, Xavier Daffe, Pierre-Yves Rosoux, and Fabrice Brouwers for the Kronos Racing Team. That same year she took victory in the Albi round of the Endurance Tourism Trophy (TTE) and added a third-place finish in the Magny-Cours round of the same series. In the VdeV championship's 12 Hours of Motorland Aragon she finished third alongside co-driver Kevin Bole-Besançon, and the pair placed fifth in the six hours of Magny-Cours.
In 2013 Taittinger was also named official ambassador of the city of Touquet-Paris-Plage, a role reflecting her public profile beyond purely sporting circles.
In 2016 Taittinger made her entry at the 24 Hours of Le Mans, racing a Morgan in the LMP2 category. Le Mans is the most prestigious endurance event in the world, and the appearance marked the highest-profile race of her career to that point. She entered through a pathway familiar to many French privateer drivers — a combination of national championship experience and manufacturer backing that grants access to the Circuit de la Sarthe.
In 2019 Taittinger attempted to enter the W Series, the all-female single-seater championship launched that year in Europe. She did not advance beyond the evaluation day selection process and did not compete in the series proper. The evaluation day format, which drew a large pool of candidates, eliminated many experienced drivers before the championship grid was finalised.
Taittinger's career represents a path through French endurance club racing toward international events, supported by family connections to the sport and a personal commitment to charitable work linked to her own medical history. Her 2016 Le Mans start placed her among a generation of French women who used the VdeV and similar endurance series as a stepping stone toward prototype racing on the international calendar.