Lindsay Lohan has sent fans on social media into a frenzy after "liking" several comments about a "baby bump".The 35 year old, who recently confused the public with the pronunciation of her name, took to her Instagram feed to share a sweet photo of herself and beau Bader Shammas looking loved-up as they celebrated their engagement.The snap showed Lindsay looking gorgeous in a black dress with her mane styled down into loose waves as her other half posed in a black shirt and grey jeans.The pair were all smiles as they stood in front of a white cake that had "she said yes" written in icing across the front. In the caption, she simply wrote: "My forever," with a red heart emoji. Get exclusive celebrity stories and fabulous photoshoots straight to your inbox with OK!'s daily newsletter While many of her 10.5million fans were quick to gush over the happy couple, others asked whether they might be celebrating more than their engagement as one person wrote: "Omg a baby bump" – which she "liked".