Which performer is associated with 'crrnt'?

What is associated with: crown self czar in 1547 divorce 2 wives have one killed believe 3 to be poisoned by enemies ha… What is associated with: crowned in 1523 swedish king gustav i ended the kalmar union of sweden these 2 countries? What is associated with: crowned in cyprus in may 2000 bombay u grad lara dutta represented this country? Based on the clue 'crowns put on front teeth are often made of porcel...', what is the answer? What is referred to by 'crt'? Based on the clue 'crucibles are sometimes made out of this ceramic m...', what is the answer? Based on the clue 'cruciform means built in this shape like the inter...', what is the answer? Based on the clue 'crude incendiary grenade with a russian name thats...', what is the answer?