Ko actress Karthika, daughter of Radha, is celebrating her 21st birthday today. The voluptuous beauty made her on screen debut in 2009 opposite Naga Chaitanya in Tollywood. She rose to fame with her debut Tamil film Ko, directed by K.V. Anand. A Mumbaikar, Karthika is also a trained classical dancer. The level-headed actress also created waves with her acting skills in Mollywood and Makara Manju, which narrated the story of painter Raja Ravi Varma, was one of them.

She is eagerly awaiting the release of Bharathiraja's Annakodi, Arun Vijay starrer Deal in Kollywood, Kannada film Brindavana and Malayalam film Gold.

We wish this pretty lass a very happy birthday and a wonderful year ahead.