Bono kisses Alicia Keys's baby bump

U2 frontman Bono made Christmas special for pregnant singer Alicia Keys by kissing her baby bump.

The 33-year-old soon-to-be mother of two took to social media Wednesday to share a photograph in which the 54-year-old Irish singer-songwriter is kissing the beauty's pregnant belly, reports eonline.com.

"Baby love from Uncle B. Maybe the baby will be our Christmas gift... we'll let u know," Keys captioned the image, in which she's flaunting her baby bump, donning a fitted silver dress.

In September, Keys, who is expecting her second child with husband Swizz Beatz, revealed on a TV show that her new baby may arrive Dec 31.