Duhamel, 44, and Fergie, 42, also spent Father's Day apart while he was promoting Transformers: The Last Knight in London, but the actor couldn't help but gush to ET about his wife's sweet surprise.
"I got this amazing cake from my wife. Actually, my son sent it to me, but it's a beautiful cake that they sent right in the middle of the junket today. It was really something," he told ET at the time. "I literally teared up a little bit, because I wasn't expecting it. I was like, 'OK, I need a minute,' because it was so cute."
"That's all I really care about," he added of his family.
See more on Duhamel and Fergie in the video below.