Some royal family members will likely acknowledge Meghan Markle’s 45th birthday, while others may give her the cold shoulder amid her ongoing estrangement from her in-laws. “The king is a scrupulously polite man, and I’m quite certain he would wish to send his daughter-in-law his birthday wishes,” Sykes said. 9 Meghan Markle (seen here in 2018) will be getting mixed reactions to her 45th birthday from the royal family, according to experts. “I don’t think they will be expecting any [birthday wishes] from Prince William and Catherine,” The “Royalist Substack” author said. Schofield furthered that the royal family has consistently reserved official birthday wishes for working royals.