The singer says music promos should be rated in the same way as films
Lennox says 'Talk That Talk' star could become 'tremendous spokesperson' for the issue
The Eurythmics singer also said Lady Gaga is 'just pop'
Former Eurythmics singer to attend the Inspiration Awards For Women
Stars believed to have been guests at fire-hit Hilton Hotel on Park Lane
Singer says touring wears her out 'physically and mentally'
Eurythmics singer praised for her 'global influence'
Trio all set for Buckingham Palace visit
Corinne Bailey Rae and James Morrison play too