Peh-teet Fluhr
* Peh-teet: The "e" in "petite" is silent, and the "t" is pronounced like the "t" in "toe".
* Fluhr: The "r" is silent, and the "u" is pronounced like the "u" in "flute".
You can hear the correct pronunciation by searching for "Petite Fleur" on YouTube or a pronunciation website like Forvo.