Student or Learner
As the campaign for the first phase of the Uttar Pradesh Assembly elections reached a fever pitch, Bollywood stars Mahima Choudhary and Chunkey Pandey lent a touch of glamour to it.
Please explain the highlighted group of words
fever pitch >> things are becoming tense and competitive
lent a touch of glamour to it. The involvement of Bollywood stars in the campaign make it seem more glamorous and exciting.