Halsey flashes cleavage as a sexy nun while Camila and Shawn Mendes tease ...

Celebrities have gotten into the Halloween spirit a day earlier on Instagram.

Halsey fired up her Insta Stories this Friday to reveal that she was all dressed up as a nun in anticipation of the holiday.

The 26-year-old singer put a sultry touch on her habit which had a peekaboo section carved out to flaunt her ample cleavage.

Smoldering: Halsey fired up her Insta Stories this Friday to reveal that she was all dressed up as a nun in anticipation of the holiday

Smoldering: Halsey fired up her Insta Stories this Friday to reveal that she was all dressed up as a nun in anticipation of the holiday

Meanwhile Camila Cabello also swung by her social media to tease the outfits she and her beau Shawn Mendes will wear on the big day.

The former Fifth Harmony member already had a set of eerie fangs in, excitedly informing her followers in a caption: 'It's time.'

She also showed off 'The Halloween legend himself' by which she meant her smoldering boyfriend Shawn.

Shawn's hands glowed red and blue with lights that were apparently shining out from between them as he pressed them together.

Amazing: The 26-year-old singer put a sultry touch on her habit which had a peekaboo section carved out to flaunt her ample cleavage

Amazing: The 26-year-old singer put a sultry touch on her habit which had a peekaboo section carved out to flaunt her ample cleavage

There she is: Meanwhile Camila Cabello also swung by her social media to tease the outfits she and her beau Shawn Mendes will wear on the big day

There she is: Meanwhile Camila Cabello also swung by her social media to tease the outfits she and her beau Shawn Mendes will wear on the big day

Dashing: She also showed off 'The Halloween legend himself' by which she meant her smoldering boyfriend Shawn

Dashing: She also showed off 'The Halloween legend himself' by which she meant her smoldering boyfriend Shawn

Aww: In a sweet touch his fake fangs seemed to be an exact match for Camila's

Aww: In a sweet touch his fake fangs seemed to be an exact match for Camila's

In a sweet touch his fake fangs seemed to be an exact match for Camila's.

Heidi Klum gets herself dolled up in a stunningly extravagant Halloween costume every year and in spite of lockdown she was at it again on Friday.

The supermodel has been sharing periodic social media updates as she had her incredibly ornate look put together.

This year she also got her 16-year-old daughter Leni in on the festivities on her Instagram page, showing off her elaborate look.

Making it happen: Heidi Klum gets herself dolled up in a stunningly extravagant Halloween costume every year and in spite of lockdown she was at it again on Friday

Making it happen: Heidi Klum gets herself dolled up in a stunningly extravagant Halloween costume every year and in spite of lockdown she was at it again on Friday

Family time: This year she also got her 16-year-old daughter Leni in on the festivities on her Instagram page, showing off her elaborate look

Family time: This year she also got her 16-year-old daughter Leni in on the festivities on her Instagram page, showing off her elaborate look

Meanwhile was feeling nostalgic this Friday as she posted a string of snaps from Halloweens past.

Among her costumes were Elle Woods, the character that made Reese Witherspoon an international icon in Legally Blonde.

There was also her controversial outfit where she dressed as the late pop singer Selena Quintanilla who was known just by her first name.

Meanwhile: Kim Kardashian was feeling nostalgic this Friday as she posted a string of snaps from Halloweens past

Meanwhile: was feeling nostalgic this Friday as she posted a string of snaps from Halloweens past

Legend: Among her costumes were Elle Woods, the character that made Reese Witherspoon an international icon in Legally Blonde

Legend: Among her costumes were Elle Woods, the character that made Reese Witherspoon an international icon in Legally Blonde

Looking exquisite: There was also her controversial outfit where she dressed as the late pop singer Selena Quintanilla who was known just by her first name

Looking exquisite: There was also her controversial outfit where she dressed as the late pop singer Selena Quintanilla who was known just by her first name

One year she also flaunted her globally famous figure in a skimpy Victoria's Secret Angel outfit complete with a set of floor-length wings.

Chrissy Teigen, who recently suffered the heartbreak of baby loss, put on a happy face while dressing up as the lead from the ballet Swan Lake.

At one point during her Insta Story she could be seen straddling her dashing husband John Legend who was in a Spider-Man costume. 

Graceful: Chrissy Teigen, who recently suffered the heartbreak of baby loss, put on a happy face while dressing up as the lead from the ballet Swan Lake

Graceful: Chrissy Teigen, who recently suffered the heartbreak of baby loss, put on a happy face while dressing up as the lead from the ballet Swan Lake

So in love: At one point during her Insta Story she could be seen straddling her dashing husband John Legend who was in a Spider-Man costume

So in love: At one point during her Insta Story she could be seen straddling her dashing husband John Legend who was in a Spider-Man costume

So sweet: Janelle Monae's Halloween getup was a double-act with a doll - she was dressed as the Good Guy toy while carrying a plastic Chucky

So sweet: Janelle Monae's Halloween getup was a double-act with a doll - she was dressed as the Good Guy toy while carrying a plastic Chucky

Janelle Monae's Halloween getup was a double-act with a doll - she was dressed as the Good Guy toy while carrying a plastic Chucky.

Several luminaries took to social media days before the holiday to share a look at their costumes which ranged from scary to sexy with several original ideas mixed in.

Among the group there was a vampire, Princess Leia, Power Ranges, Glinda The Good Witch and a Day Of The Dead woman.

Spooky: Gretchen Rossi of RHOC fame had a Day Of The Dead look while at home; it was also her 42nd birthday party

Spooky: Gretchen Rossi of RHOC fame had a Day Of The Dead look while at home; it was also her 42nd birthday party

Fun for all: 'Had the best time at my Halloween themed birthday party!' said the mother to one

Fun for all: 'Had the best time at my Halloween themed birthday party!' said the mother to one

Lovely in red: 'Thank you to my wonderful bestie & all my beautiful girlfriends for throwing such an a spooktacular bash for me. It was truly epic!' she sai

Lovely in red: 'Thank you to my wonderful bestie & all my beautiful girlfriends for throwing such an a spooktacular bash for me. It was truly epic!' she said

Gretchen Rossi of

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