The Grammy winner wrote: ''Yes, we are expecting our second baby!! Thank you all for your well wishes!''
No more details about the pregnancy were revealed.
Shakira and soccer player Gerard Pique, 27, welcomed their son, Milan Pique Mebarak, last year.
Pique, who is from Barcelona, is a soccer player for FC Barcelona.
Grammy-winning Shakira, 37, released her self-titled 10th album in March.