Once again, we're relying on the eyes of these sisters to confirm to us that we're not looking at an image of the same person. There's also a very slight difference between their nose. The mouth, though, could all belong to one woman.
From their hairstyles, it looks like wavy hair runs in their family, although Lea looks like she straightens hers more than her older sister Gabrielle does. The three-year age gap between them isn't visible anywhere at all in the picture.