Washington [US], August 1 (ANI): Actress Mandy Moore has ignited speculation among fans about a possible return to the beloved ‘Princess Diaries’ franchise, hinting at her involvement in the long-rumored third installment through an Instagram post. Celebrating the 23rd anniversary of the original film, which starred Anne Hathaway and Julie Andrews, Moore took to social media with a nostalgic tribute that had fans buzzing. The ‘This Is Us’ star, currently expecting her third child with husband Taylor Goldsmith, shared a series of photos from various stages of her career, including memorable mom…