Sharing two behind-the-scenes photos from her V Magazine shoot, Bella posed with one of her horses while showing off her light, wavy hair.
While it's unclear whether this is a permanent change or just for the photoshoot, Bella has been slowly lightening hair over the past few months, going 'dirty blonde' in March on Instagram, before debuting light ends at Cannes Film Festival.
She's not the only model to try blonde for the summer, either. Longtime brunette Lily Aldridge took to Instagram overnight to reveal a new platinum blonde, wavy lob:
Similar to Bella, the Victoria's Secret Angel has always had her signature brunette locks:
Does this mean blondes really do have more fun?