Related Clues:

• The sun is responsible for this scourge for farmers starting off
• Not dark or heavy?
• Diet-friendly descriptor
• Part of some free app names
• Low-calorie, in adspeak
• Illuminate or ignite
• Like lo-cal cuisine?
• Low calorie
• Frivolous — insubstantial
• Less important, informally
• Word on a Miller can
• Lo-cal, on food packaging
• Dieter's buzzword
• The Sun is responsible for this insult dismissing leader
• Eminent person came face to face with the monarch — photographer's got it?