SIR Elton John is adding matchmaker to his many titles and has promised Transamerica star Kevin Zegers he would set him up on a blind date with actress Sienna Miller. Miller split from former fiance Jude Law in January (06) and Zegers, who played Felicity Huffman's son in TRANSAMERICA, recently split from BOSTON LEGAL star Marisa Couglin. Zegers confirms the music legend is playing cupid between him and Miller saying, "Elton John is setting us up. I've never been set up before. "I'm psyched. If she likes me, I know I'll definitely like her back!"