United Kingdom, Sept. 30 -- Michelle Pfeiffer has revealed she became a grandmother for the first time last year.

The 67-year-old actress has adopted daughter Claudia, 32, and a 31-year-old son called John with her television writer husband David E. Kelley, but she didn't disclose which of her two children had welcomed a child into the world.

Appearing on the SmartLess podcast, she shared: "I don't have time nor the desire to go that deep for that long and not be present. I realise I have a finite amount of time left and - I might announce on this show - that I became a grandmother last year.

"I've been very quiet about it and it is - it's heaven. It's ridiculous."

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