Kelly Clarkson's pregnancy craving tickle includes a pickle

Los Angeles - Kelly Clarkson is craving pickles and cheese.

The 33-year-old singer - who has 14-month-old daughter River with husband Brandon Blackstock - is expecting her second child and pregnancy is making her experience strong desires for certain savoury foods.

She tweeted on Thursday: "I want a giant plate of pickles, green olives, cheese, and crackers.....like right now. #preggerprobs (sic)"

The Stronger hitmaker announced her pregnancy on stage at Los Angeles' Staples Center last month, stopping during a performance of her track Piece By Piece to share the news with her fans.

Kelly, who broke down in tears as she revealed the news, said: "I was not planning on announcing this. I'm totally pregnant!"