“What we’re planning to do with Charlene is to probably do a joint birthday, ‘cause she’ll be – I shouldn’t say this, ‘cause you shouldn’t talk about a lady’s age – we could potentially celebrate, if we join our birthdays, our 100th. She’ll be forty. […] But we’ll do it at a later date, later on in the year.”
Prince Albert II taking a leaf out of the Norwegian royal couple’s book and planning a joint birthday celebration with Princess Charlene (Riviera Radio).
Charlene turns 40 on 25th January 2018, while Albert will be 60 on 14th March.